supplies on invoice are 4 bottles alcohol @ 2.25 each = 9.00 3 thermometers @ 1.95 each = 5.85 6 boxes cotton @ .29 each = 1.74 6 bottles mouthwash @ .89 = 5.34 11 crtns cotton swabs @ .39 each = 4.29 3 hypo needles @ .39 each = 1.17 Dr. receives 3% disc, and sales tax is 6%. Total on invoice is 26.14. Total supplies amt is 27.39 minus 82 cents disc is 26.57 plus 1.59 sales tax = 28.16 Please show break down been out of school 40 yrs. Thanks