QUESTION 7 for th below two machines and based on CC analysis which machine we should select? MARR=10%. Machine A Machine B First cost, $ 24,311 100,000 Annual cost, $/year 13,553 7,000 Salvage value, $ 6,323 Life, years infinite 3 Answer the below question: A- the CC for machine A= QUESTION 8 For th below two machines and based on CC analysis which machine we should select? MARR=10% Machine A Machine B First cost, $ 26,520 143,488 Annual cost, $/year 13,027 7,774 Salvage value, $ 6,439 infinite Life, years 3 Answer the below question: B-the CC for machine B=