Write down and explain the entire optimization problem describing the variables you choose, then write the objective in terms of the variables, and then write the constraints in terms of the variables. $(6$ points$)$

Use solver to determine the total number of impressions per country in each category while revising the plan offered by the agency. Include your answer. Do you end up spending the entire budget of $$95000?$ Can you explain why, or why not? $(4$ points$)$