I really need help here i dont get how to do this

Craig just purchased a new sports car. He financed $45,000 and must pay it back over 5 years with 11% interest.

How much will Craig have paid in interest by the time his car is paid off? (just put the numerical value, no $ sign) it is 24750

How much will he have paid in all for his car, including interest after 5 years? (just put the numerical value, no $ sign)

show work plz