Explain opportunity cost using the following examples. Make up whatever details seem appropriate. a. Ned buys new guitar that cost $800. b. Cersei is living on a fixed income and chooses to buy less food one week in order to pay for her prescription medications. c. Daenerys wants to sign up for the MW 9:35am ACC 203 Cost Accounting section at LCCC but unfortunately it is scheduled at the same time that Professor Plaksa's Macroeconomics course is being offered. Daenerys enrolls in Cost Accounting.