Hi, please help me out with my assignment. Thanks.

Mr Harriz borrowed RM120,000 to buy a car. His loan cost was 12% and he promised to repay the loan in 15 equal annual payments. How much is the principal outstanding after the first loan payment? (10) (b) Adrien Corporation expects to receive RM20,000 per year for 10 years and RM35,000 per year for the next 10 years. What is the present value of this cash flow given 12% discount rate? (5) (c) Explain the differences between compounding and discounting by providing appropriate examples