The substitution effect in the work-leisure model induces a person to work less in response to higher wages, which tends to make the labor-supply curve slope upward

Use the following general linear demand function below:Qd = a + bP + cM + dPRwhere Qd = quantity demanded, P = the price of the good, M = income, PR = the price of a good related in consumption.If c = 15 and d = 20, the good is

A. a normal good. B. an inferior good. C. a substitute for good R. D. a complement with good R. E. both a and c

Refer to Scenario 9.8 below to answer the question(s) that follow. SCENARIO 9.8: Investors put up $1,040,000 to construct a building and purchase all equipment for a new gourmet cupcake bakery. The investors expect to earn a minimum return of 10 per cent on their investment. The bakery is open 52 weeks per year and sells 900 cupcakes per week. The fixed costs are spread over the 52 weeks (i.e. prorated weekly). Included in the fixed costs is the 10% return to the investors and $2,000 in other fixed costs. Variable costs include $2,000 in weekly wages, and $600 per week in materials, electricity, etc. The bakery charges $8 on average per cupcake.Refer to Scenario 9.8. The bakery is making ________ economic profits per week.

A. negative B. positive C. break-even D. zero