Hello can someone help me answer this question please

Example: Productivity A window manufacturer produces residential windows. It currently produces 500 windows every 8-hour shift. a. What is the productivity? b. If the productivity increased to 1,200 windows per shift, what is the percentage increase in productivity? Example: Multifactor Productivity The weekly output of a fabrication process is 330 units, material input is 2,500ft. There are 7 full time employees that are employed. Standard selling price is $130 per unit. Overhead is charged weekly at the rate of $2,000 plus .5 times direct labour cost. Assume a 40 -hour week and an hourly wage of $20. Material cost is $12 per linear foot. What is the multifactor productivity