A4-7 Your company is currently considering an acceleration program to enhance the timing of production and quantity of reserves from an existing lease. The before-tax cash flows for the two alternatives are sum- marized below in thousands of dollars. 3,600 2,800 2,200 1,640 1,120 600 Current- 4 6 2,940 7,000 4,600 2,400 400 Proposed 5 6 The investor's before-tax minimum rate of return is 12.0%. Use rate of return analysis to evaluate the economics of this acceleration program nd support those findings with NI