please show how to do it by hand

Problem 08.014 - Calculating incremental cash flows 2 po For the cash flows shown, determine the incremental cash flow between machines and A a) in year on in your 3, and in your A Machine First Cost, $ AOC. $ per year Salvage Values Life, Years B -25,000 -400 6000 6 - 15,000 1,300 3000 3 book a) The incremental cash flow between machines Band A in year is $ b) The incremental cash flow between machines B and A in year 3 is $ c) The incremental cash flow between machines Band A in year 6 is $