A method for producing a body of a passenger car is provided. The method and apparatus accumulates sample parameters for a plurality of backup runs to build a statistical model of the backup process. The method comprises the steps of providing a film having an exposed surface. Activation of the MDG card credit feature allows the customer to interact with any merchant that accepts traditional credit cards such as VISA\xae, MASTERCARD\xae, AMERICAN EXPRESS\xae, or DISCOVER\xae.