The following data applies: Acquisition cost $ 10 000 Annual cash flows on after-tax basis: Incremental sales revenue 6000 Incremental operating revenue 1200 Depreciation per annum $ 1000 Tax rate 20% Required rate or return 10% What would be the present value of the after-tax cash flow for year 0? Select one: O a. ($10 000) O b. $0 O C. $4726 O d. $4000