Refer to the information provided in Figure 1.4 below to answer the question(s) that follow. Figure 1.4Refer to Figure 1.4. Which of the Panels shows a curve or line that has a slope that is first positive and then negative?

Mixed bundling is

a. Where customers pay for each item separately b. Where customers buy all item in a store at one price c. Where customers have a choice of buying each item separately or all items at one price d. Where customers are charged one fixed fee and a cost per unit for every unit bought

How much is this firm's output?