A florist is buying a number of motorcycles to expand its delivery service. These will cost $$65,000$ but are expected to increase cash flows over the next $4$ years as shown in the following table. What is the payback period?

Year $0$ Year $1$ Year $2$ Year $3$ Year $4$

Cash Flow $-65,00019,20029,50029,6429600$

Please be sure to enter your answer with two decimal places and no symbols. For example, if your answer is $1\mathrm{.}342$ years, enter your answer as $1\mathrm{.}34$