show me how to do calculations

Q3: Based on the data listed in the table above, answer the following questumos. a-Calculate the following information: For Product 1, what is the average sales(in ID) for May in Amman. Nhily \\& For product 2, what is the forecast for sales (in number of units) for hugustrin Zarka. \\[ \\begin{array}{l} \ ightarrow \\frac{1200}{1300 j+92} \\\\ \\frac{.92-.83}{.85}=.12 \ ightarrow .12+1300=1400 \\\\ \\end{array} \\] For product 2, which region has higher sales, how much is the difference. b. what are other three information that can be calculated. Fully show your calculations. \\( c \\) as a sales manager, give three information that you need, what are the different decisions you make. (Show all your calculations) d- as a production planning and control manager, give three information that you need, what are the different decisions you make. (show all your calculations)