Given the following cost and activity observations for Bounty Company's utilities, use the high-low method to calculate Bounty's variable utilities cost per machine hour. Round to the nearest cent. Cost Machine Hours March 14,600 $3,062 2,650 April 10,320 May 2,838 12,035 17,934 June 3,658 Oa. 50,93 Ob. 50.89 Oc. 50.13 Od. 51.59