Up To 10,000 Retail Stores Could Close This Year Up to 10,000 U.S. storefronts could disappear by the end of 2021. Consumers prefer the safety of shopping online during the Covid19 pandemic.

Source: CBS News , January 28, 2021

a. Draw the PPF curves for storefront and online retailers before and after the Covid19 pan demic.

b. Draw the marginal cost and marginal ben efit curves for storefront retailers and online retailers before and after the Internet became an option.

c. Explain how changes in production possibilities, preferences, or both have changed the way in which goods are retailed.