The degree of operating leverage can be calculated as:

a. net operating income divided by sales.
b. contribution margin divided by sales.
c. gross margin divided by net operating income.
d. contribution margin divided by net operating income.

Suppose jamal purchases a pair of running shoes online for $60. if his state has a sales tax on clothing of 6 percent, how much is he required to pay in state sales tax?

Suppose you win a small lottery and have the choice of two ways to be paid: you can accept the money in a lump sum or in a series of payments over time. if you pick the lump sum, you get $2,950 today. if you pick payments over time, you get three payments: $1,000 today, $1,000 1 year from today, and $1,000 2 years from today. 1) at an interest rate of 6% per year, the winner would be better off accepting the (lump sum / payments over time), since it has the greater present value. 2) at an interest rate of 9% per year, the winner would be better off accepting the (lump sum / payments over time), since it has the greater present value. 3) years after you win the lottery, a friend in another country calls to ask your advice. by wild coincidence, she has just won another lottery with the same payout schemes. she must make a quick decision about whether to collect her money under the lump sum or the payments over time. what is the best advice to give your friend? a) the lump sum is always better. b) the payments over time are always better. c) it will depend on the interest rate; advise her to get a calculator. d) none of these answers is good advice.

You are purchasing a bond that currently sold for $985.63. it has the time-to-maturity of 10 years and a coupon rate of 6%, paid semi-annually. the bond can be called for $1,020 in 3 years. what is the yield to maturity of this bond?