For the year ending December 31, 2019, David Roth, a married taxpayer filing a joint return, reported the following: Investment income from dividends and interest $24,000, Long-term capital gains on stock held for investment 25,000, Investment expenses 4,000, Interest expense on funds borrowed in 2019 to purchase investment property 70,000. What amount can Roth deduct in 2015 as investment interest expense if he elects to pay his capital gains on stock at an ordinary tax rate?
A. $20,000.
B. $70,000.
C. $45,000.
D. $49,000.

Suppose a firm faces a fixed price of output, 푝푝= 1200. the firm hires workers from a union at a daily wage, 푤푤, to produce output according to the production function 푞푞= 2퐸퐸12. there are 225 workers in the union. any union worker who does not work for this firm is guaranteed to find nonunion employment at a wage of $96 per day. a.what is the firm’s labor demand function? b.if the firm is allowed to choose 푤푤, but then the union decides how many workers to provide (up to 225) at that wage, what wage will the firm set? how many workers will the union provide? what is the firm’s output and profit? what is the total income of the 225 union workers? c.now suppose that the union sets the wage, but the firm decides how many workers to hire at that wage (up to 225). what wage will the union set to maximize the total income of all 225 workers? how many workers will the firm hire? what is the firm’s output and profit? what is the total income of the 225 union workers? [hint: to maximize total income of union, take the first order condition with respect to w and set equal to 0.]

Robert black, regional manager for ford in texas and oklahoma, faced a dilemma. the ford f-150 pickup truck was the best-selling pickup ever, yet ford's headquarters in detroit had decided to introduce a completely redesigned f-150. how could mr. black sell both trucks at the same time? he still had "old" f-150s in stock. in his advertising, mr. black referred to the new f-150s as follows: "not a better f-150. just the only truck good enough to be the next f-150." this statement represents ford's of the new f-150.

Pederson company reported the following: manufacturing costs $480,000 units manufactured 8,000 units sold 7,500 units sold for $90 per unit beginning inventory 2,000 units what is the average manufacturing cost per unit? (round the answer to the nearest dollar.)