Answer the next two questions using the following information:

Martin Manufacturing has implemented several programs to improve its productivity. They have asked you to evaluate the firm's productivity by comparing this year's performance with last year's. The following data are available:

Last Year

This Year

Output

$$20,000$

$$25000$

Labour

$$1000$

$$1500$

Energy

$$7,000$

$$7,000$

Capital

$$3000$

$$2000$