Joseph is consuming three units of pizza and two units of soda. The price of pizza is $5 and the price of soda is $1. If he is consuming the optimal consumption bundle and his marginal utility of the third unit of pizza is 50, his marginal utility of the second soda is:
A. 50.
B. 5.C. impossible to determine unless you know Joseph's income.
D. 10.

On january 2, well co. purchased 10% of rea, inc.’s outstanding common shares for $400,000, which equaled the carrying amount and the fair value of the interest purchased in rea’s net assets. well did not elect the fair value option. because well is the largest single shareholder in rea, and well’s officers are a majority on rea’s board of directors, well exercises significant influence over rea. rea reported net income of $500,000 for the year and paid dividends of $150,000. in its december 31 balance sheet, what amount should well report as investment in rea?