Aquestion asked in a market survey asks for a respondent's favorite car color. which measure of central location should be used to summarize this question

How is a proportional tax different from a progressive tax? a. a proportional tax decreases with income level, but a progressive tax increases with income level. b. a proportional tax increases with income level, but a progressive tax decreases with income level. c. a proportional tax increases with income level, but a progressive tax is the same percentage for all. d. a proportional tax is the same percentage for all, but a progressive tax increases with income level.

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?

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?