answer 1-4 and label each question with answer circled

1. (Problem 3-3) A$5,000 loan was to be repaid with 5% simple annual interest. A total of $6,000 was paid. How long had the loan been outstanding? 2. (Problem 3-6) How long will it take for an investment to double at a 3% per year ? a. simple interest rate b. compound interest rate 3. (Problem 3-11) A firm has borrowed $5,000,000 for 5 years at 10% per year compound interest. The firm will make no payments until the loan is due, when it will pay off the interest and principal in one lump sum. What is the total payment? 4. (Problem 3-22) Alvin's Uncle Arnold gave him $16,000 from selling the old family farm. Alvin wants to start college and have $12,000 available to buy a used car when he graduates in 4 years. Alvin earns 2% in his savings account. How much can he spend on a motorcycle now and still have enough to grow to the $12,000 he needs when he graduates