The invention of new mining methods will affect price through the supply side

The income and substitution effects of a change in the wage rate

a. always work in the same direction b. always work in opposite directions c. work in opposite directions only if the change is a decrease d. work in the same direction only if the change is an increase e. work in the same direction only if the change is a decrease

Suppose Winston's annual salary as an accountant is $60,000, and his financial assets generate $4,000 per year in interest. One day, after deciding to be his own boss, he quits his job and uses his financial assets to establish a consulting business, which he runs out of his home. To run the business, he outlays $8,000 in cash to cover all the costs involved with running the business, and earns revenues of $150,000. What costs would be considered when calculating economic profit?

A. The opportunity cost of his job and interest forgone of $64,000, and the explicit cost of $8,000 B. The implicit cost of the interest forgone of $4,000 and the explicit cost of $8,000 C. The explicit cost of $8,000 D. The implicit cost of his job of $60,000 and the opportunity cost of forgone interest of $4,000