An attempt to explain that vertical integration is more efficient than contracting for goods and services in the marketplace when the transaction costs of buying goods on the open market becomes too great has been proposed by .
A) population theory.
B) institution theory.
C) freakonomics.
D) transaction cost economics.
E) transaction growth theory.

David and darlene jasper have one child, sam, who is 6 years old (birthdate july 1, 2011). the jaspers reside at 4639 honeysuckle lane, los angeles, ca 90248. david's social security number is 577-11-3311, darlene's is 477-98-4731, and sam's is 589-22-1142. david's birthdate is may 29, 1984 and darlene's birthday is january 31, 1986. david and darlene's earnings and withholdings for 2017 are:

Fess receives wages totaling $74,500 and has net earnings from self-employment amounting to $71,300. in determining her taxable self-employment income for the oasdi tax, how much of her net self-employment earnings must fess count? a. $74,500 b. $71,300 c. $53,900 d. $127,200 e. none of the above.

For 2018, rahal's auto parts estimates bad debt expense at 1% of credit sales. the company reported accounts receivable and an allowance for uncollectible accounts of $86,500 and $2,100, respectively, at december 31, 2017. during 2018, rahal's credit sales and collections were $404,000 and $408,000, respectively, and $2,340 in accounts receivable were written off. rahal's accounts receivable at december 31, 2018, are: