2a. Calculate the payback period for each investment (show ALL work) Invest 1 Invest 2 Invest 3 Payback period ( years )= Self check (Invest 3): 2 b. Calculate the accounting (or unadjusted) rate of return (show work) Invest1Invest2Invest3 Average Investment Self check (Invest 1): Then, calculate Unadjusted (or Accounting) Rate of Return: Accounting (or unadjusted) Rate of Return (SHOW WORK BELOW): Invest 1 Invest 2 Invest 3 Acctg Rate of Return = Self check (invest 2): 3 Analysis