help please ASAP, no need for full explination, Direct thumps up :)

n 0 Engineer Salem is faced with a decision to select one of the two machines. The cost and revenues are shown in the table. . Machine A Machine B -80,000 -100.00 1 50,000 50,000 2 40,000 B0,000 3 20,000 The machines will be needed for very long time. In the future prices and benefits from the two machines will be almost the same. The company's MARR IS 10%. From annual equivalent point of view, which machine Salem should select? They are indifferent Machine A Machine B Some assumptions are need before the problem can be solved