COVER STORY: Additional Days Supply For Each Additional 1% Discount

Auto Service World

EXISTING DAYS	EXISTING GROSS PROFIT MARGIN
Supply	10%	15%	20%	25%	30%	35%	40%
10 Days Supply	1.02	0.662	0.505	0.407	0.336	0.288	0.252
14 Days Supply	1.43	0.927	0.707	0.570	0.470	0.403	0.352
18 Days Supply	1.83	1.192	0.909	0.733	0.605	0.519	0.453
22 Days Supply	2.24	1.457	1.111	0.896	0.739	0.634	0.554
26 Days Supply	2.65	1.722	1.313	1.058	0.873	0.749	0.655
30 Days Supply	3.06	1.987	1.515	1.221	1.008	0.864	0.755
40 Days Supply	4.08	2.649	2.020	1.628	1.344	1.152	1.007