Consider the following project net cash flows, in years 0 through 4 respectively: $-1,080, $380, $476, $568, $669. The cost of capital is 12%. The (regular, undiscounted) payback period is years. Margin of error for correct responses: +/-.05 years. Rounding and Formatting instructions: Do not round any intermediate work, but round your final* response to 2 decimal places (example: if your answer is 2.34567 years, you should enter 2.35)