solve all the points

are these points, solve it step by step and show an interactive graph, CLEAR LETTER

SUBJECT: Financial Mathematics 1) Solve, Step by Step a) 4. A delivery van is purchased for a value of $ 180,000.00 and agrees with the distributor, to pay 20% in cash and the rest is paid in (the last two digits of your card) equal monthly payments, the first of which expires one month after the signing of the agreement of buy and sell. What is the amount of each of the payments if the interest rate charged by the distributor is 24% per year with monthly compounding. b) If you agree to a monthly payment of $ 35,000 during (the last two digits of your ID) months, and you have a 24% effective annual rate with how much you could pay the debt in cash so as not to have to do it monthly. 1) Solve, step by step a) A person acquires a debt for $ 100,000,000 in the popular bank, and agrees to cancel 60 equal monthly installments in advance and a financing of 24% per year. Determine the value of the monthly installments? b) A person wishes to have $ 50,000,000 within two (2) years. For the above, he intends to make equal bimonthly allowances in advance. Determine the value of these allowances if the bank pays an interest of 36% compounded quarterly