Problem points$)$

Your friend wants to have a Tesla Model Y Long Range. On

tesla.com, the price is $$49,990.$ Your friend asks you to provide him the following information.

$($a$)$ What is the monthly payment if he makes $$40,000,5$ years loan? The interest rate is $5\mathrm{.}79\%$ per year compounded monthly. $($hint: find the effective interest rate per month and use formular to calculate the payment.$)$

$($b$)$ What is the total amount $($total loan payment$)$ he will pay in $5$ years for the loan?

$($c$)$ What is the interest in the total loan payment?