4. Timing is an important part of a sales promotion plan. Marketers must decide when the best time is to mail out samples, to offer trade discounts, or to sponsor a sweepstakes. Assume that the introduction of the new laundry detergent in question 3 is planned for April 1. Place the activities you recommended in question 3 on a 12-month calendar. In a role-playing situation, pre- sent your plan to your supervisor. Be sure to explain why you have included certain types of promotions and the reasons for your timing of each sales promotion activity.