Please show work

Given the Before Tax Cash Flow (BTCF) below and equipment purchase of $200K, what is the After-Tax Cash Flow (ATCF)? Use SL depreciation with a 4-year life and salvage value of $21,000. For simplicity, ignore salvage value in ATCF. Tax rate is 28%. Dep TI Tax ATCF ONMA 0 1 2 3 4 4 BTCF(k) -200 55 35 30 40 Dep BV Onmt 1 2 3 4