An investment plan includes purchasing at the beginning of the year a piece of machinery costing $126, which will be fully depreciated in the next year, and then salvaged with zero value. The revenue for this year are estimated to be $199 [in actual dollars}, and the combined tax rate is 13%.The real interest equals 0. What is the smallest ination rate at which the overall investment is unprotable [NPV = 0)? [Provide your answer as a number. not a percentage. with 0.01 precision.l