1. An item sales for $55. The sales tax on the item is 6%. What is the sales tax and total cost? 2. An item sales for $400. The sales tax on the item is 7%. What is the sales tax and total cost? 3. An item sales for $125. The sales tax on the item is 5%. What is the sales tax and total cost? 4. An item sales for $64. The sales tax on the item is 7%. What is the sales tax and total cost? 5. An item sales for $50. The sales tax on the item is 6.5%. What is the sales tax and total cost? 6. An item sales for $350. The sales tax on the item is 8.5%. What is the sales tax and total cost? 7. An item sales for $25. The sales tax on the item is 7.5%. What is the sales tax and total cost?