What are the eauations i should be using?

Download the attached excel worksheet that contains sales of a car company. In Sheet CarsSales: 1. Freeze the top row with the first two columns. 2. In column G, find the tax for each country as the following: 3. In column H, find TotalDiscount for only cars that its price is greater than 50000 and sold in United Kingdom. TotalDiscount= Price*5\%, otherwise its 0 . 4. In column I, Total = Price + Tax TotalDiscount. 5. In Cell L9, calculate the total price "Total" for red cars. 6. In Cell L11, find the number of "Total" that are great than 100,000. 7. In Cell L13 And L14, find the minimum and maximum "Total". 8. Copy CarsSales sheet to a new sheet, name it "sorted data". In sheet "sorted data", sort the data based on Country name as the following order (USA, United Kingdom, Spain, France) then by "Total" in ascending order. 9. Using Pivot table in a new Sheet, the count of each color in USA and France. Use slicer for filtering