Courington Detailing's cost formula for its materials and supplies is $1,870 per month plus $6 per vehicle. For the month of August, the company planned for activity of 82 vehicles, but the actual level of activity was 47 vehicles. The actual materials and supplies for the month was $2,250. The materials and supplies in the planning budget for August would be closest to:

Mikkelson corporation's stock had a required return of 12.50% last year, when the risk-free rate was 3% and the market risk premium was 4.75%. then an increase in investor risk aversion caused the market risk premium to rise by 2%. the risk-free rate and the firm's beta remain unchanged. what is the company's new required rate of return? (hint: first calculate the beta, then find the required return.) do not round your intermediate calculations.