To find the social marginal benefit of public goods, one needs to:. a. sum the consumers' demand curves vertically.
b. sum the consumers' demand curves horizontally.
c. sum the marginal private benefit and the marginal external benefit for each unit.
d. sum the marginal private cost and the marginal external cost for each unit.
e. subtract the individual portion of the tax burden necessary for the government to provide the good from the demand curve of each consumer who desires the good.

Anderson, a computer engineer, and spouse, who is unemployed, provide more than half of the support for their child, age 23, who is a full-time student and who earns $7,000. they also provide more than half of the support for their older child, age 33, who earns $2,000 during the year. how many dependents may the andersons claim on their joint tax return?

On july 1, 2016, killearn company acquired 103,000 of the outstanding shares of shaun company for $21 per share. this acquisition gave killearn a 40 percent ownership of shaun and allowed killearn to significantly influence the investee's decisions. as of july 1, 2016, the investee had assets with a book value of $6 million and liabilities of $1,468,500. at the time, shaun held equipment appraised at $140,000 above book value; it was considered to have a seven-year remaining life with no salvage value. shaun also held a copyright with a five-year remaining life on its books that was undervalued by $562,500. any remaining excess cost was attributable to goodwill. depreciation and amortization are computed using the straight-line method. killearn applies the equity method for its investment in shaun. shaun's policy is to declare and pay a $1 per share cash dividend every april 1 and october 1. shaun's income, earned evenly throughout each year, was $580,000 in 2016, $606,600 in 2017, and $649,200 in 2018. in addition, killearn sold inventory costing $93,000 to shaun for $155,000 during 2017. shaun resold $97,500 of this inventory during 2017 and the remaining $57,500 during 2018.a. determine the equity income to be recognized by killearn during each of these years. 2016 2017 2018b. compute killearn’s investment in shaun company’s balance as of december 31, 2018.

Experienced problem solvers always consider both the value and units of their answer to a problem. why?