18) CREDIT CARD COMPOUNDING INTEREST. Your friend wants to purchase a new TESLA car for $65,000. All wheel drive, Long range battery, and dual motors. He has no savings, so he needs to finance the entire purchase amount. With no down payment, the interest rate on the loan is 12% and the maturity of the loan is 3 years. His monthly care payments will be $2158.93. He earns $3900,00 a month. His monthly living expenses (including rent, utilities, food, insurance, and entertainment) are $1800. He has a credit card limit of $15,000 and an interest rate of 25.99%. If he uses all his monthly earnings to make the monthly payments on the car and pay for his living expenses: 18a) how much will he add each month to his credit card balance? 18b) What will be the finance charges on his credit card for the year? (Assuming he makes no payments towards his credit card). 18c) What are the finance charges after 2 year, if he continues to add the remainder of the car payments and not make any payments towards his credit card