Getting the work done by some other firm at lower costs, when the firm is situated in some other country, is called outsourcing

Suppose the banks in the Federal Reserve System have $100 million in transactions accounts and the reserve requirement is 0.10. Ceteris paribus, if the reserve requirement is decreased to 0.07, then excess reserves will increase by:

A. $3 million. B. $7 million. C. $10 million. D. $700 billion.

What is the marginal cost to a copying business of making 1,000 copies (vs 0 copies) if it is estimated for each of the 1,000 copies made, the company will spend: $0.01 on paper, $0.01 on copier maintenance (i.e. varies with the number of copies), $0.02 on building rental, $0.01 on interest on borrowed money, and $0.003 on income and sales taxes?

a) $53 b) $43 c) $33 d) $23 e) $40