The activity base selected determines whether a cost behaves as a variable cost or fixed cost.

a. true
b. false

Calculate the required rate of return for an asset that has a beta of 1.73, given a risk-free rate of 5.3% and a market return of 9.9%. b. if investors have become more risk-averse due to recent geopolitical events, and the market return rises to 12.7%, what is the required rate of return for the same asset?

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

5. if you were to take a typical payday loan for $150, with an interest rate of 24.5% due in full after two weeks, what is the total amount you would have to repay? a. $186.75 b. $174.50 c. $157.33 d. $153.67