Answer:
a. $81,900.
Explanation:
The contribution margin per unit is obtained by dividing the total contribution margin by the 24,000 units produced.

The expected operating income is given by the contribution margin minus the fixed costs. For 29,000 units sold, the operating income is:

The answer is a. $81,900.
Answer:
Make no change in Y and Z.
Explanation:
It was assumed that consumer purchases the combination of two goods, Y and Z.


For maximizing the utility of the consumer, the ratio of marginal utilities must be equal to the price ratio of the products.
We can see that the ratio of marginal utilities is equal to the price ratio of the products. Hence, the consumer should not make any changes to the combination of products.
Helpful to businesses, but not particularly helpful in making personal buying decisions.
Answer:
Railroads were the first "big businesses" in the United States.
Explanation: