Blue Spruce Company is considering investing in new equipment that will cost $1.411.000 with a 10-year useful life. The new equipment is expected to produce annual net income of $82,900 over its useful life. Depreciation expense, using the straight-line rate; is $141,100 per year. Compute the cash payback period. (Round onswer to 1 decimol place, es. 15.2) Cash payback period years