Last month, Startup Manufacturing sold cars of Type X for a price of $ each, cars of Type Y for a price of $ each, and cars of Type Z for a price of $ each. The factory had workers working hours each and used a total of tons of steel to manufacture both car types. The cost of labor was $ per hour and the cost of steel was $per tone. has What was the total revenue at Startup Manufacturing last month? b Calculate the productivity of the labor input last month. c Calculate the productivity of the steel input last month. d Calculate the overall multifactor productivity of both labor and steel at Startup Manufacturing last month. This month, Startup Manufacturing sold cars of Type X for a price of $each,cars of Type Y for a price of $each, andcars of Type Z for a price of $each. The factory hadworkers workinghours each and used a total of tons of steel to manufacture both car types. This month, the cost of labor was $per hour and the cost of steel was $per ton. AndCalculate the overallmultifactor productivity of both labor and steel at Startup Manufacturing for this month. f Find the percentage change in overall productivity at Startup Manufacturing.