Phil sells duck calls in a perfectly competitive market. if duck calls sell for $10 each and average total cost per unit is $11 at the profit-maximizing output level, then in the long run a. average total costs will fall. b. some firms will exit from the market. c. more firms will enter the market. d. the equilibrium price per duck call will fall.

Your parents have accumulated a $170,000 nest egg. they have been planning to use this money to pay college costs to be incurred by you and your sister, courtney. however, courtney has decided to forgo college and start a nail salon. your parents are giving courtney $20,000 to her get started, and they have decided to take year-end vacations costing $8,000 per year for the next four years. use 8 percent as the appropriate interest rate throughout this problem. use appendix a and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. how much money will your parents have at the end of four years to you with graduate school, which you will start then?

Location test: question 1 of 54)water is a solvent because itoa. is made of moleculesob. dissolves many substancesc. is a saltd. has a large buffering capacity

En major recording acts are able to play at the stadium. if the average profit margin for a concert is $175,000, how much would the stadium clear for all of these events combined?