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Alright so let's continue and
let's work on the transfer
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money to another account. So
basically we want to create a
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function that will receive an
account. And we want to be able
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to make a deposit on this
account. So that shouldn't be
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too complicated. We're going to
create a new function that is
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going to be transfer money.
And we're going to send an
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amount of money so it's going
to be an amount number and we
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want to target an account. So
this will be a bank account. So
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I forgot here to say that it
returns a number and so
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transfer money is not going to
return anything. So transfer
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money well we just need to make
sure that we have enough money
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before sending it to the
account. But fortunately the
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withdraw is already doing
this check. So maybe what we
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can just do is a widthdraw of
this amount on our own account
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and right after that we can
just do a deposit of this
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amount on the other account.
And if for some reason I don't
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have enough money this is going
to throw an error and since I'm
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not catching it this is going
to crash and we won't go to the
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deposit. So technically we're
good with the transfer money to
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another account and we have
checked that the minimum
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balance is enough before doing
a withdraw or a transfer so
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that's perfect. Now let's work
on the mensual interest. So
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first we have to store
somewhere the percentage of
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menstrual interest. So we are
going to receive that from the
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constructor so let's do this so
we can go at the top here and
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we can create another private
interestRate that is going
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to be a number and I will have
an interest ceiling that will
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be the maximum amount the
interest rate is going to be
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calculated on, so interest
ceiling. And I'm going to
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receive that from my
constructor so interest rate
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and interest ceiling and these
are going to be numbers okay
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and I'm going to receive that
so interest rate
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and interest ceiling. So
basically we just want to have
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a function that would be in
charge of returning what should
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be the mensual interest. So
I'm going to create another
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function here. And I'm going to
call it get mensual
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interests. So this is going to
return a number and technically
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it doesn't need any parameters
because it's going to use only
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what's inside our class. So the
balance, the interest rate and
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the interest setting. So first
we have to check if the balance
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is above the limit the interest
ceiling limit so if this
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balance is greater than this
interest ceiling then we're
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going to calculate the interest
rate on the maximum on the
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ceiling so we're going to
return this dot interest
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ceiling multiply by this.interest rate 
otherwise we're
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under the interest ceiling so
we're going to return this dot
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balance multiply by this
interest rate and we're good so
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technically now as you can see
an account expect both interest
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rate and interest ceiling so
for example here I could set it
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to one percent and the ceiling
to 50000 like this, and technically
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we should be able to calculate
I'm going to do that after now
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technically so I'm going to
open my console and I'm just to
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console log account one. get
mensual interest and let's
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see Zero. Oh right because I
don't have anymore money so I'm
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just going to remove all of
that for now So it should be
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calculated on 40000 and 1% of
40000 is 400. That is true. So
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it seems that the mensual
interest function is working.
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We're good. So technically this
and this are good. And we have
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even done the interest ceiling.
Okay so in the next video we're
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going to work on the favorites.
So let's do that in the next
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one.