Payback period. What are the payback periods of projects E and F in the following table: Data table What is the payback period for project E? years (Round to one decimal place.) (Click on the following icon in order to copy its contents into a spreadsheet.) E $42,000 $100,000 $20,000 $8,400 Cash Flow Cost Cash flow year 1 Cash flow year 2 Cash flow year 3 Cash flow year 4 $8,400 $10,000 $8,400 $40,000 $8,400 $30,000 Cash flow year 5 $8,400 $0 Cash flow year 6 $8,400 $0 ? Assume all the cash flow is evenly spread throughout the year. If the cutoff period is 3 years, which project(s) do you accept