Given the following cost and activity observations for Bounty Company's utilities, use the high-low method to determine Bounty's variable utilities cost per machine hour. Round your answer to the nearest cent. Cost Machine Hours March $3,018 14,723 April 2,682 10,045 May 2,870 12,313 June 3,867 17,749 Oa. 50.88 Ob. $0.15 Oc. $1.69 Od. $0.92