Central Trailer Supply has received three proposals for its new trailer assembly line. Information on each proposal is as follows:

Proposal X Proposal Y Proposal Z Initial investment in equipment $115,000 $130,000 $145,0000 Working capital needed 0 0 15,000 Annual cash saved by operations: Year 1 55,000 60,000 60,000 Year 2 55,000 40,000 60,000 Year 3 55,000 40,000 60,000 Year 4 55,000 10,000 60,000

Required:

Determine each proposal's payback. Show your answer in a table format.