An assignor is someone who subsequently gains rights under a preexisting contract

Manufacturers' representatives:

A. Take ownership of the merchandise they sell for manufacturers B. Are a source of fixed costs on their principals' income statements C. Do not specialize in the type of products they handle D. Often carry competing lines of merchandise E. Have no authority to modify their principals' instructions concerning price or terms of sale

An employer may refuse to withhold Social Security taxes.

a. true b. false