filters Unit sales 27413 Revenues$4.10 Cost of goods sold$2.05 Gross margin $2.05 Gross margin for 2 filters$4.10 Promotion costAll in 000' Consumer promotion$1,000 Feature price reductions$1,000 Other trade spending$1,000 Total promotional cost$3,000 Advertising cost$15,000 Total other costs$18,000 Total other cost per unit$0.66 Total other cost for 2 filters$1.31 Margin on 2 pitcher scale filters$2.79 what is Margin on 2 pitcher scale filters$2.79 tell