Consider the Classic Furniture product mix problem (Problem 4-28). For each of the following situations, what would be the impact on the production plan and profit? If it is possible to compute the new profit or production plan, do so.
(a) The unit profit for oak tables increases to $83.
(b) The unit profit for pine chairs decreases to $13.
(c) The unit profit for pine tables increases by $20.
(d) The unit profit for cherry tables decreases to $85.
(e) The company is required to make at least 20 pine chairs.
(f) The company is required to make no more than 55 cherry chairs.