b$.$ Considering the $$16000$ you will receive on your ${22}^{th}$ birthday how much more do you need to purchase your $$38900$ car?

c$.$ You will be taking out a loan for the rest of the balance, at a reducible interest rate of $10\mathrm{.}4\%$ p$.$a$.$ If your weekly repayment is $$180,$ find:

i$.$ How long will it takes you to pay off the loan? obtain the expression for A$1,$ recognize the pattern in the expression for An as a sum, produce and calculate geometric series by using the correct formula and apply lograthim laws.

ii$.$ The total amount that you will pay for the car.

d$.$ Assume your $$38900$ car depreciates in value by $4\%$ every year. What is the value of your chosen car after $5$ years?