1. Bakar's Baking Shop sells baking accessories and equipment, as well as baked goods. Bakar's buys a bread rack from a supplier for $120.57 and sells it to a customer for $190.90. Calculate Bakar's margin on selling price for this bread rack. (Rounding: penny.)
2. Peeti's Pie Shop buys apple pies for $4.86 each and sells them to customers for $9.00 each. Calculate Peeti's markup on cost for one pie. (Rounding: penny.)
3. Bakar's Baking Shop is trying to learn more about a competitor. Bakar's knows that the competitor sells a bag of flour for $10.48 and earns a markup on cost of $4.62 per bag of flour, but wants to know the competitor's margin on selling price. Calculate the competitor's margin on selling price for one bag of flour. (Rounding: penny.)