19. An investment costing $21,000 and providing annual cash inflows of $3,500 has a Payback of:uecbe A. 3 years B. 5 years C. 5.5 years D. 6 years E. 9 years an 20. If a $240,000 asset being depreciated fully by straight line will increase a company's annual net income by $40,000 a year, then it's approximate average Rate of Return is: A. 6.0% C. 26.7% D. 29.7% /E.33.3% 21. Joe's Clothing is considering opening a new store. The expected investment cost is $270,000. Expected annual Sales $150,000, and annual costs $90,000 (which includes $22,500 in depreciation). A. 18 years What's the Pay Back? E. 4.5 years B. 2.7 years C. 3.0 years D. 3.3 years