A​ well-established automobile dealership just hired you as an intern in the back office. since you​ started, you have discovered that the company is losing market share. in a management​ meeting, the talk is focused on what has worked in the past. during a lull in the​ conversation, the owner of the company asks for your opinion. your best input would be a suggestion to create​ a(n)
a. marketing plan
b. advertising campaign
c. product matrixd. gantt chart
e. mission statement

marketing plan

Explanation: In simple words, marketing plan refers to the plan that outlines the set of activities that an organisation has to perform for the next year in respect to its  advertising and marketing efforts. A market plan is seen as a sub part of a business plan.

It helps an organisation to effectively perform its marketing activities as it outlines the sources , methods and timing of how it will be performed. Thus, in the genitive case, company should make a marketing plan by which they can aware their customers and can increase their market share.      

the answer should be demonstrations i hope this

christopher columbus sail the ocean blue 1492