First, include two more months so that the planning horizon is now 8 months. You have to assume andvalues for the production costs, production capacity, demand and storage capacity for months 7 and 8(for example you can just use the values of these variables in month 6). Has this modification changedthe optimal production in month 1 (from the book this was 5,000) (11 points). Do not forget to provideyour spreadsheet showing your results.Second, reduce the planning horizon to 4 months. Has this modification changed the optimal productionin month 1 (from the book this was 5,000) (11 points). Do not forget to provide your spreadsheetshowing your results