The Garden Center sells an item that it buys for $2.50 and sells for $5.75. The addition of $3.25 is an increase of 130% of the cost ($3.25 $2.50). The difference between the Garden Center's cost and the selling price ($3.25) is the gross margin. This is an example of _______. a. break-even pricing b. markup pricing c. bundling d. flexible pricing