diminishing marginal benefit rising marginal cost

Ray bought two WVU football tickets for $100 each. However, he has won a free vacation and won’t be able to attend the game. A ticket scalper offers him $40 for each ticket before he leaves town. Calculate the opportunity cost. $0 $80 $200 $100 $120

To be efficient, outputs should be produced that minimize total cost. True or false

You have exactly $50 to spend on some music. For the albums you are considering, the followin table lists the value to you, in dollars, as well as the price you must pay to acquire it. Album Price Sign of the Times (Prince) $25 Blood on the Tracks (Bob Dylan) $25 What's Going On (Marvin Gaye) $25 Nevermind (Nirvana) $25 Value $60 $67 $98 $85 What is the cost, in dollars, of paying $50 for an autographed copy of BTS' album Map of the So 7? Round your answer to two decimal places and do not enter the currency sign. If you answer is -$1.275, enter 1.28.