Farmer mcdonald sells wheat to a broker in kansas city, missouri. because the market for wheat is generally considered to be competitive, mr. mcdonald maximizes his profit by choosing a. to produce the quantity at which average variable cost is minimized. b. to produce the quantity at which average fixed cost is minimized. c. the quantity at which market price is equal to mr. mcdonald's marginal cost of production. d. the quantity at which market price exceeds mr. mcdonald's marginal cost of production by the greatest amount.

In year 1, the bennetts' 25-year-old daughter, jane, is a full-time student at an out-of-state university but she plans to return home after the school year ends. in previous years, jane has never worked and her parents have always been able to claim her as a dependent. in year 1, a kind neighbor offers to pay for all of jane's educational and living expenses. which of the following statements is most accurate regarding whether jane's parents would be allowed to claim an exemption for jane in year 1 assuming the neighbor pays for all of jane's support? a.no, jane must include her neighbor's gift as income and thus fails the gross income test for a qualifying relative.b.yes, because she is a full-time student and does not provide more than half of her own support, jane is considered her parent's qualifying child.c.no, jane is too old to be considered a qualifying child and fails the support test of a qualifying relative.d.yes, because she is a student, her absence is considered as "temporary." consequently she meets the residence test and is a considered a qualifying child of the bennetts.