Which of the following is NOT a core principle of the Fair Information Practices (FIPS)?

Which of the following is true of product modification?

a. It entails the creation of marketable new products. b. It necessitates the use of crowdsourcing to develop new ideas for a product. c. It goes beyond applied research by converting applications into marketable products. d. It makes cosmetic or functional changes to existing products.

Kern Company sells merchandise on account for $8,000 to Block Company with credit terms of 2/10, n/30. Block Company returns $1,600 of merchandise that was damaged, along with a check to settle the account within the discount period. What is the amount of the check?

A. $6,272 B. $6,400 C. $7,480 D. $7,872