What does the expression [detail]! [product] * 1.30 do?

• A. a. multiplies the contents of detail and product fields by 1.3
• B. b. First divides detail by product and then multiplies by 1.3
• C. c. multiplies the contents of detail in the product table by 1.3
• D. d. multiplies the contents of product in the detail table by 1.3