Ptarmigan Company produces two products. Product A has a contribution margin of $289.20 and requires 12 machine hours. Product B has a contribution margin of $221.40 and requires 9 machine hours. Determine the most profitable product assuming the machine hours are the constraint. If required, round your answers to two decimal places. Contribution margin per machine hour: Product A $fill in the blank 1 Product B $fill in the blank 2 Product is the most profitable.