Fatiha takes out a loan of $6000, which she repays by the amortization method at a nominal rate of 9.6% compounded monthly. Fatiha makes level monthly payments at the end of each month for 4 years. Find the amount of principal repaid in her 37th payment.

Jaynet spends $50,000 per year on painting supplies and storage space. she recently received two job offers from a famous marketing firm – one offer was for $95,000 per year, and the other was for $120,000. however, she turned both jobs down to continue a painting career. if jaynet sells 35 paintings per year at a price of $6,000 each: a. what are her accounting profits? b. what are her economic profits?