Supply costs at Lattea Corporation's chain of gyms are listed below:

	Client-Visits	Supply Cost
March	11,661	$28,575
April	11,457	$28,409
May	11,989	$28,833
June	13,400	$28,920
July	11,721	$28,636
August	11,207	$28,235
September	12,001	$28,834
October	11,692	$28,592
November	11,840	$28,717

Management believes that supply cost is a mixed cost that depends on client-visits. Use the high-low method to estimate the variable and fixed components of this cost, Compute the variable component first, rounding off to the nearest whole cent. Then compute the fixed component, rounding off to the nearest whole dollar. Those estimates would be closest to: (Round your Variable cost per unit to 2 decimal places.)

$2.00 per client-visit; $28,637 per month

$.89 per client-visit; $17,708 per month

$0.35 per client-visit; $24,261 per month

$0.31 per client-visit; $24,766 per month