Information is provided on two machines, which had an original cost of $28,400 for Machine X and $26,200 for Machine Y. Machine X Machine Y Net annual savings Add: Depreciation Net annual cash savings $1,440 $4,840 $6,280 $3,560 5,240 $8,800 Which is the best investment using the payback period method? Will either of the machines provide the cash investment back in less than 4 years