pls one by one step method to calculate

[10 Marks QUESTION 2 [20 MARKS (8) CIMB Financing lent an engineering company $100,000 to reconstruct an environmentally unfriendly building. The loan is for 3 years at 10% per year simple interest. How much money will the firm repay at the end of 3 years? 15 Marks) (b) Assume an engineering company borrows $100.000 at 10% per year compound interest and will pay the principal and all the interest after 3 years. Compute the annual interest and total amount due after 3 years. Compare the results with 2(a) that involved simple interest. 16 Marks] (c) Sherry expects to deposit $1000 now, $3000 four years from now, and $1500 six years from now and earn at a rate of 12% per year compounded semi-annually through a company-sponsored savings plan. What is the maximum amount she can withdraw 10 years from now? Draw the cash flow. 19 Marks