This table shows our companys total costs for utilities and total machine hours used for manufacturing equipment over the last four months:

Month	Total Machine Hours	Total Utilities Costs
September	2,200	$1,010
October	1,700	$900
November	1,800	$930
December	1,850	$950

Using the high-low method, calculate the estimated utilities cost per machine hour.

[ Select ] ["$0.17", "$0.22", "$5.80", "$2.63"]

Using the high-low method, calculate the estimated fixed cost.