Which of the following is true of annuities? a. an ordinary annuity is an equal payment paid or received at the end of each period that increases by an equal amount each period. b. an ordinary annuity is an equal payment paid or received at the beginning of each period. c. an annuity due is a payment paid or received at the beginning of each period that increases by an equal amount each period. d. an annuity due is an equal stream of cash flows that is paid or received at the beginning of each period.

The federal reserve's organization while all members of the federal reserve board of governors vote at federal open market committee (fomc) meetings, only of the regional bank presidents are members of the fomc. the federal reserve's role as a lender of last resort involves lending to which of the following financially troubled institutions? u. s. banks that cannot borrow elsewhere governments in developing countries during currency crises u. s. state governments when they run short on tax revenues the federal reserve's primary tool for changing the money supply is . in order to decrease the number of dollars in the u. s. economy (the money supply), the federal reserve will government bonds.

Trey morgan is an employee who is paid monthly. for the month of january of the current year, he earned a total of $4,538. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year, and the fica tax rate for medicare is 1.45% of all earnings for both the employee and the employer. the amount of federal income tax withheld from his earnings was $680.70. his net pay for the month is .

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?