Which of the following are incorrect: a. coins, which are issued by the treasury are an asset of the fed and a component of the monetary base. b. when the fed changes the monetary base, either the quantity of money changes or the interest rate changes but both do not occur. c. the monetary base is the sum of federal reserve notes, coins, and deposits at commercial banks. d. the fed's liabilities plus coins issued by the treasury make up the monetary base.

Afirm plans to begin production of a new small appliance. the manager must decide whether to purchase the motors for the appliance from a vendor at $10 each or to produce them in-house. either of two processes could be used for in-house production; process a would have an annual fixed cost of $200,000 and a variable cost of $7 per unit, and process b would have an annual fixed cost of $175,000 and a variable cost of $8 per unit. determine the range of annual volume for which each of the alternatives would be best. (round your first answer to the nearest whole number. include the indifference value itself in this answer.)