The expression below represents the total cost, in dollars, for Thomas to purchase some new shirts and a pair of jeans, including tax. 1.065(30 + 20x) If x represents the number of shirts Thomas purchases, which of the following statements are correct? Select all that apply. Each shirt costs $30. Each shirt costs $20. The sales tax is 6.5%. Thomas receives a 6.5% discount. The cost of a shirt with tax is $21.30. The cost of a shirt is $18.70 with the discount.