Please find the solution in excel

Last month, Startup Manufacturing sold $55$ cars of Type X for a price of $$25,000$ each, $30$ cars of Type Y for a price of $$35,000$ each, and $12$ cars of Type Z for a price of $$50,000$ each. The factory had $50$ workers working $150$ hours each and used a total of $70$ tons of steel to manufacture both car types. The cost of labor was $$25$ per hour and the cost of steel was $$650$ per ton. a$)$ What was the total revenue at Startup Manufacturing last month? b$)$ Calculate the productivity of the labor input last month. c$)$ Calculate the productivity of the steel input last month. d$)$ Calculate the overall $($multi$-$factor$)$ productivity of both labor and steel at Startup Manufacturing last month. This month, Startup Manufacturing sold $58$ cars of Type X for a price of $$27,000$ each, $45$ cars of Type Y for a price of $$33,000$ each, and $15$ cars of Type Z for a price of $$53,000$ each. The factory had $45$ workers working $180$ hours each and used a total of $100$ tons of steel to manufacture both car types. This month, the cost of labor was $$30$ per hour and the cost of steel was $$680$ per ton. e$)$ Calculate the overall $($multi$-$factor$)$ productivity of both labor and steel at Startup Manufacturing for this month. f$)$ Find the percentage change in overall productivity at Startup Manufacturing.