Chuck Sox makes wooden boxes in which to ship motorcycles. Chuck and his three employees invest a total of hours per day making the $400$ boxes.

a$)$ Ther productivity $=$ boxes$/$hour $($round your response to two decimal places$).$

Chuch and his employees have discussed redesigning the process to improve efficiency. Suppose they can incr the rate to $600$ boxes per day

b$)$ That few productivity boxeshour $($round your response to mo decimal places$)$

c$)$ The unit inciease in productivity is boxesthour found your response to the decinat places$)$