You need to know everything obtainable about your customers. This list will get you started. You will need their age, sex, marital status, income levels, education levels, geographic locations, where they shop, if they go to church, if they have kids, ages of children, political affiliation, what they like about your company, what they don't like, why they shop with you, what they value about your products/services, what they like the most/least about products/services, and whether prospects are unaware of your brand or products/services. Customers want you to know certain things about them and if you do, they will remain loyal to you as you take time to know them.
Marketing Mix: one of the key points of the marketing plan is the design of medium and long_term approach of the 4 Ps (price, place, product, promotion). Action Program: on this section all the actions to be performed are gathered with specific information, timetables and responsibilities among the personnel. Provisional Income Statement: the plan must include an income statement with any inputs for which the marketing department is responsible for.