QUESTION 7 for th below two machines and based on AW analysis which machine we should select? MARR=10%. Machine A Machine B First cost, $ 26,051 100,000 Annual cost, $/year 10,111 7,000 Salvage value, $ 4,915 Life, years 3 infinite Answer the below question: A-the AW for machine A= QUESTION 8 For th below two machines and based on AW analysis which machine we should select? MARR=10% Machine A Machine B First cost, $ 21,439 124,845 Annual cost, $/year 13,160 7,237 Salvage value, $ 3 infinite 5,419 Life, years Answer the below question: B-the AW for machine B