Johnny Cash was thinking about how much time it will take him to recover the $300 investment made to buy his guitar. The following table contains the investment made and the cash flow he will receive for his concerts in the next years: Year 0 1 2 3 4 5 Cash flow -300 114 78 97 76 84 Since he acknowledged that instead of buying the guitar, he could have lent the money to any of his friends at a 10% annual interest rate he decided to ask you to tell him what the discounted payback period would be for his investment Select one: O a. 4.86 O b.4.14 O c. 3.14 O d. 4.08 e. 4.62