Show all sales information plus two additional columns for sales made during January 2015. Name the first new column SalesTax and calculate it as Price times 6 percent. Name the second new column TotalAmt and make it the sum of Price and SalesTax. Sales tax is Price times 6 percent. Include sales made during January 2015. Show all sales information plus two additional columns for sales made during January 2015. Name the first new column SalesTax and calculate it as Price times 6 percent. Name the second new column TotalAmt and make it the sum of Price and SalesTax. Sales tax is Price times 6 percent. Include sales made during January 2015