You are running a small manufacturing process that has projected cash flows of -$13,000 in year one, $4,000 in year 2, $5000 in year 3, -$3,000 in year 4, $6,000 in year 5, and $7,000 in year 6, what is the interest rate that gives a net present value of zero. For information, In year four, you were required to make some upgrades to the process and that forced the negative $3,000. (Hint: Take the cash flow at the end of the year) (Give answer to one decimal place. That is, xx.x%)