Culver Company is considering imvesting in new equipment that will cost $1,428,000 witha 10 -year useful life. The new equipment is expected to produce annual net income of $35,700 over its useful life. Depreciation expense. using the straight-line rate. is $142,800 peryear. Compute the cash payback period. (Round answer to 1 decimal ploce, eg. 15.2.) Cash payback period years