When contractual language is vague or subject to legitimately differing interpretation, the idea of past practice is often used to resolve the issue

Which of the following is a measure for discouraging theft for a retail store that accepts cash receipts over the counter?

A) A receipt is issued for each transaction to ensure that each sale is recorded. B) At the end of the day, the sales clerk proves the cash by comparing the cash in the drawer against the machine's record of cash sales. C) The sales clerk uses the machine tape to record the journal entry for cash receipts and sales revenue. D) The store clerk deposits the cash in the bank.

When consumers calculate the value of a product, they:

A. subtract cost of production from market price. B. eliminate all nontangible elements that might affect their perception of the product. C. look at the benefits the product provides then subtract the cost. D. identify the variable and the fixed components of the product's benefits.