Oil prices per qt to customer (bulk)

Is there a rule of thumb you guys/gals do for markup on oil per quart? Thanks...
for oil changes that is
for oil changes that is
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LOWAIRD1964 wrote:I am also kind of curious what others mark up the filter and seals and stuff. With gm forever giving away coupons for $49.95 oil changes. How about warranty as well, what do you pay your techs any less on these oil changes??