You are considering opening a bubble tea shop near the new campus and it would cost you $$150,000$ as an initial investment. After executing your target market study, SWOT and porter $5$ forces, you came up with a business plan and expect cash flows as followed: Year $1$: $$25,000,$ Year $2$: $$35,000,$ Year $3$: $$45,000,$ Year $4$: $$60,000,$ Year

$5$: $$60,000$ What is the payback period of the investment?

Please enter your answer in $2$ decimal places.