please show step by step calculations. no excel

b). Rollerblade, a maker of skating gear, is evaluating two alternative presses. Press A costs $88,000, has a 4-year life, and is expected to generate annual cash inflows of $30,100 in each of the 4 years. Press B costs $122,000, has an 8-year life, and is expected to generate annual cash inflows of $24,600 in each of 8 years. The cost of replacement for A is $96,000, and the replacement press will generate cash inflows of $30,100 for another 4 years. Rollerblade uses a 12% cost of capital. Which press should be chosen