A school wants to buy a bus. There are 2 different loptions. Using the information below, what bus should the school buy with a MARR of 20%. Alt Bus A Bus B B First Cost $ 150,000 a $180,000 Annual $20000 in years ladd. 2, $0 in years 1 and 2 Operational increases by 12/o per year $20, po start in in years 3, Cost starting in year 3 until to increasing by $2,000 end of life .. per year until end of life Salvage $ 23,500 DE $9,000 Life 10 w 10