Larry's Lawn Service needs to purchase a new lawnmower costing $7,756 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.

(a)If Larry's required rate of return is 11%, what level of annual cash savings must the lawnmower generate to be considered an acceptable investment under the net present value method?

Annual cash savings should be

If Larry's required rate of return is 14%, what level of annual cash savings must the lawnmower generate to be considered an acceptable investment under the net present value method?

Annual cash savings should be