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Which of the following best describes the economic effect that results when the government increases interest rates and restricts the lending of money? a. borrowing money becomes more expensive and there is less investment in production. b. the economy grows as investments result in larger profits. c. government spending drives up prices because of greater competition for goods and services. d. consumers save more money and spend less buying goods and services.

The following cost data pertain to the operations of montgomery department stores, inc., for the month of july. corporate legal office salaries $ 75,300apparel department cost of sales"evendale store $ 97,200corporate headquarters building lease $ 50,300store manager's salary"evendale store $ 12,900apparel department sales commission"evendale store $ 11,550store utilities"evendale store $ 12,800apparel department manager's salary"evendale store $ 10,450central warehouse lease cost $ 18,600janitorial costs"evendale store $ 11,800 the evendale store is just one of many stores owned and operated by the company. the apparel department is one of many departments at the evendale store. the central warehouse serves all of the company's stores. required: 1. what is the total amount of the costs listed above that are direct costs of the apparel department? 2. what is the total amount of the costs listed above that are direct costs of the evendale store? 3. what is the total amount of the apparel department's direct costs that are also variable costs with respect to total departmental sales?

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.