plz solve these problems.

Solve the following problems: 1. In order to build a new warehouse facility, the regional distributor for Valco Multi-Position Valves borrowed $1.6 million at 10% per year interest. If the company repaid the loan in a lump sum amount after 2 years, what was (a) the amount of the payment, and (b) the amount of interest? 2. A sum of $2 million now is equivalent to $2.42 million 1 year from now at what interest rate? 3. In order to restructure some of its debt, General Motors decided to pay off one of its short-term loans. If the company borrowed the money 1 year ago at an interest rate of 8% per year and the total cost of repaying the loan was $82 million, what was the amount of the original loan? 4. How many years would it take for an investment of $280,000 to cumulate to at least $425,000 at 15% per year interest? 5. Valtro Electronic Systems, Inc. set aside a lump sum of money 4 years ago in order to finance a plan expansion now. If the money was invested in a 10% per year simple interest certificate of deposit, how much did the company set aside if the certificate is now worth $850,000 ? 6. Two years ago, ASARCO, Inc. invested $580,000 in a certificate of deposit that paid simple interest of 9% per year. Now the company plans to invest the total amount accrued in another certificate that pays 9% per year compound interest. How much will the new certificate be worth 2 years from now? 7. How many years would it take for money to triple in value at 20% per year simple interest? 8. If Farah Manufacturing wants its investments to double in value in 4 years, what rate of return would it have to make on the basis of (a) simple interest and (b) compound interest? 9. What simple interest rate per year would be required to accumulate the same amount of money in 2 years as 20% per year compound interest? a. 20.5% b. 21% c. 22% d. 23%