Consider the following information for Magenta Inc.: Production October 1,100 units November 2,200 December 1,700 January 2,700 February 2,300 Total Cost $42,800 55,800 45,100 66,500 51,000 Compute the variable cost per unit using the high-low method of cost estimation. Round your answer to whole number. O a. $15 Ob. $22 O c. $37 Od. $31