1. Compute the annual cost of each of the following expenses: $18 a week on lottery tickets; $150 per month on gasoline. Complete the sentence: On an annual basis, the first set of expenses is % ofthe second set of expenses. 2. Find the net monthly cash flow. ( 1 month =4 weeks, 1 year =2 semesters) 3. Suppose that you invest $1800 in an account that earns simple interest at an APR of 5.2%. Determine the accumulated balance after 5 years