Question $4$

A company makes wooden boxes in which to ship motorcycles. The three employees invest a total of $40$ hours per day making the $120$ boxes.

a$)$ What is the productivity?

b$)$ The employees have discussed redesigning the process to improve efficiency. If they can increase the rate to $125$ per day, what will be their new productivity?

c$)$ What will be their unit increase in productivity per hour?

d$)$ What will be their percentage change in productivity?