Suppose there is free entry in the market for microphones. the demand for microphones is given by: qd= 176-7p. all firms that produce microphones have identical long run average total cost functions given by: atc = 32/q + 4 + 2q.

calculate the long run number of firms in this market.

Consider how health insurance affects the quantity of health care services performed. suppose that the typical medical procedure has a cost of $160, yet a person with health insurance pays only $40 out of pocket. her insurance company pays the remaining $120. (the insurance company recoups the $120 through premiums, but the premium a person pays does not depend on how many procedures that person chooses to undergo.) consider the following demand curve in the market for medical care. use the black point (plus symbol) to indicate the quantity of procedures demanded if each procedure has a price of $160. then use the grey point (star symbol) to indicate the quantity of procedures demanded if each procedure has a price of $40. q d at p=$160 q d at p=$40 0 10 20 30 40 50 60 70 80 90 100 200 180 160 140 120 100 80 60 40 20 0 price of medical procedures quantity of medical procedures demand if the cost of each procedure to society is truly $160, the quantity that maximizes total surplus is procedures. economists often blame the health insurance system for excessive use of medical care. given your analysis, the use of care might be viewed as excessive because consumers get procedures whose value is than the cost of producing them.

Exercise 4-9presented below is information related to martinez corp. for the year 2017.net sales $1,399,500 write-off of inventory due to obsolescence $80,440cost of goods sold 788,200 depreciation expense omitted by accident in 2016 43,600selling expenses 65,800 casualty loss 53,900administrative expenses 53,500 cash dividends declared 43,300dividend revenue 22,100 retained earnings at december 31, 2016 1,042,400interest revenue 7,420 effective tax rate of 34% on all items exercise 4-9 presented below is information relateexercise 4-9 presented below is information relate prepare a multiple-step income statement for 2017. assume that 61,500 shares of common stock are outstanding. (round earnings per share to 2 decimal places, e.g. 1.49.)prepare a separate retained earnings statement for 2017. (list items that increase retained earnings first.)

Harry is 25 years old with a 1.55 rating factor for his auto insurance. if his annual base premium is $1,012, what is his total premium? $1,568.60 $2,530 $1,582.55 $1,842.25