Grouper's Lawn Service needs to purchase a new lawnmower costing $8,696 to replace an old lawnmower that cannot be repaired. The new lawnmower is expected to have a useful life of 4 years, with no salvage value at the end of that period. Click here to view the factor table. {a} If Grouper's required rate of return is 12%, what level of annual cash savings must the lawnmower generate to be considered an acceptable investment under the net present value method? {For calculation purposes, use 4 decimal places as displayed in the factor table provided and round nal answer to 0 decimal place, eg. 58, 971.) Annual cash savings should be $