Sales and Strategy Forecast: If you have a target to achieve you can plan out your work according. It's just like keep the figures real and amenable. Unrealistic figures would not help you ever to get the target on time. Secondly with these forecast, you can compare your marketing strategies and come up with the best solutions for future activities.
Resource Plan _ in marketing, there is only one thing that's scarce: RESOURCES. Some people have a lot of money but lacked ideas and another group is the other extreme; more ideas and less money. Many of us probably the later than the former! In the marketing plan we will tackle things like people to hire, pricing, distribution plan, sales programs budget and so on.