Replacement Analysis BTCF $(15$ ptos$)$

Machine A was purchased five years ago for $$14,000$ and had an estimated market value of $$1,000$ at the end of its $10-$year life. Annual operating costs are $$1,500.$ The machine will perform satisfactorily for the next five years. A salesman for another company is offering machine $B$ for $$60,000$ with a market value of $$5,000$ after $10$ years. Annual operating costs will be $$800.$ Machine A could be sold now for MVo $=$$$9,000,$ and the MARR is $6\%$ per year.

a$.$ Using the outsider viewpoint, what is the annual worth AW of continuing to use Machine $A?$

b$.$ Using the outsider viewpoint, what is the annual worth AW of buying Machine B$?$

c$.$ Should Machine A be replaced with Machine B$?$