Random Single Amounts and Uniform Series A recently hired CEO (chief executive officer)wants to reduce future production costs to improve the company's earnings, thereby increasing the value of the company's stock. The plan is to invest $70,000 now and $50,000 in each of the next 2 years to improve productivity. By how much must annual costs decrease in years 3 through 10 to recover the investment plus a return of 15% per year