What is the average accounting return on a piece of equipment that will cost $1.2 million and that will result in a pretax savings food $380,00 for the first 3 years and then $280,0000 for the following 3 years? Assume that the machinery will depreciated to a salvage value of 0 over 6 years using straight line method and the company's tax rate is 32%. If the acceptance decision is based on the project exceeding an ARR of 20%, should this machinery be purchase?