The market demand curve is the horizontal summation of all individual demand curves

Higher education is a ________ and assigned textbooks are ________.

A. want; wants B. want; needs C. need; wants D. need; needs

Refer to Scenario 9.4 below to answer the question(s) that follow. SCENARIO 9.4: Sponsors invest $100,000 in a new deli on the promise that they will earn a return of 10% per year on their investment. The deli sells 52,000 sandwiches per year. The deli's fixed costs include the return to investors and $42,000 in other fixed costs. Variable costs consist of wages ($1,000 per week) plus materials, electricity, etc. ($2,000 per week). The deli is open 52 weeks per year.Refer to Scenario 9.4. The annual total costs of the deli are

A. $42,000. B. $52,000. C. $156,000. D. $208,000.