This is a ops and supply chain management question

3. [10 points] GoFaster Inc that makes go-carts.secently purchased some new equipment to help speed up the production process. Before buying the new equipment, the company used 6 workers, who produced an average of 50 carts per hour. Workers receive $20 per hour, and equipment cost was $80 per hour. With the new equipment, it was possible to remove one of the workers, and equipment cost increased by $20 per hour while output increased by 5 carts per hour. a. What is the multifactor productivity before and after the changes? Use carts per dollar cost (labor plus equipment) as the measure. b. What is % change in multifactor productivity