Please provide explanations. Thanks

4. You are called on to decide how your company should advertise its newest Action State Outcome product, a cell phone screen defroster for use in cold weather. Shown to the Warm 540 right is a decision tree for the profits (in $000's) you project for your sales of the Point of Sale Moderate 610 Cold 730 defroster, depending on the weather this coming winter and your choice of advertising method. Complete parts a and b. Warm 420 Magazine Moderate 590 Cold 840 Warm 820 Internet Moderate 770 Cold 500 a) What is the maximin choice? O A. Point of Sale O B. Internet O C. Magazine b) What is the maximax choice? A. Internet O B. Point of Sale O C. Magazine