The marketing group decided to add a new marketing technician position to provide IT support for sales reps. specifically the marketing tech will track customer response times, prepare contact management plans for sales reps, and develop surveys to measure customer satisfaction. Marketing also decided to update the customer categories. The Potential and Former categories are not affected. The new categories are Silver, which replaces the Active category; Gold, which replaces the preferred category; and Platinum, which includes any customer whose orders total at least $1,000 in the last 24 months.

A. Draw a new version of the use case diagram that adds the new marketing technician.

B. Draw a state transition diagram that shows the new customer categories and the conditions for each category.