Answer the following questions using the information below: Helmer's Rockers manufactures two models, Standard and Premium. Weekly demand is estimated to be 100 units of the Standard Model and 70 units of the Premium Model. The following per unit data apply: If there are 600 machine - hours available per week, how many rockers of each model should Jim Helmer produce to maximize profits? A. 72 units of Standard and 70 units of Premium B. 100 units of Standard and 49 units of Premium C. 85 units of Standard and 60 units of Premium D. 100 units of Standard and 70 units of Premium