Need excel formulas as part of answer.

Problem 1 - 10 pointe The annual income for Company Als $360,000 in year 1 and it decreased by $15.000 each year. Interest rate 10% per year. 1. What is the income in year 37 2. What is the present worth of the incomes in year 0? 3. What is the future worth of the incomes in year 5? 4. What was the equivalent annual worth of the incomes through year 5