Calculating Price Using a Markup Percentage of Cost Lake McDonald Gift Shop has decided to price the games that it sells at cost plus 65%. The National Parks Memory Card Game costs $20 each, and another one, the Guess This Animal Track Game, costs $40 each. Required: 1. What price will Lake McDonald Gift Shop charge for each National Parks Memory Card Game? 21.6 X 2. What price will Lake McDonald Gift Shop charge for each Guess This Animal Track Game? 1.98X