Using the nodes of interest for the horse, Grass, Barn, Oak, Hay and Pond, what is the maximal flow from the Grass to Pond?

One method of maintaining brand loyalty and reducing brand switching at a minimal cost is:

A) coupons B) bonus packs C) contests and sweepstakes D) sampling

Parentheses enclose references, examples, ideas, and citations that are _________________ of a sentence

a. not part of the main thought b. inseparable from the main thought c. equivalent to the main thought d. a repetition of the main thought