Flint Doggy, Inc. produces and sells corn dogs. The corn dogs are dipped by hand. Austin Beagle, production manager, is considering purchasing a machine that will make the corn dogs. Austin has shopped for machines and found that the machine he wants will cost $$339,600.$ In addition, Austin estimates that the new machine will increase the company's annual net cash flows by $$52,300.$ The machine will have a $12-$year useful life and no salvage value.

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$($a$)$

Calculate the cash payback period. $($Round answer to $2$ decimal places, eg$.15\mathrm{.}21.)$

Cash payback period $$ years