please , I need al steps

PW1 TC1+9434 PW2 TC2*.8900 pW.-TC3 *.8396 EUAC1 [PW, ]"1.06 6. Toa Baja City is considering the purchase of a new rescue truck .The appropriate data for rescue trucks A and B are as follow: (Use AWbenefit / AWcost) (10 ptos) Rescue Truck AB Capital Investment Maintenance Cost/yr Useful life Benefits/yr $75,000 $80,000 5,000 6 years 6 years $28,000 $30,000 6,000 MARR 10% Use this information to answer the following questions a. What is the conventional Benefit Cost Ratio for Rescue Truck A and B? b. Which Rescue Truck should be purchase