Calculate the cumulative cash flow of the following project

YEAR 0 1 2 3 4 5 cash flow project A -50000 15000 15,000 20000 10000 5000 cash flow project B -50000 35,000 20,000 0 10,000 15,000 cash flow project C -50,000 15,000 10,000 10,000 10,000 10,000 cash flow project D -50,000 35,000 25,000 15,000 5,000 5,000 cash flow project E -100,000 35,000 3.5,000 40,000 40,000 5,000 cash flow project F -100,000 25,000 10,000 10,000 10,000 450,000