Section 11.26. Other taxes, fees, and charges in taxable sales price and purchase price.

Section 11.27. Maintenance contracts, insurance, and warranties.

Section 11.28. Gifts and other advertising specialties.

Section 11.29. Leases, licenses and rentals of tangible personal property and items, property and goods under s. 77.52 (1) (b), (c), and (d), Stats.

Section 11.30. Credit sales, bad debts and repossessions.

Section 11.32. "Sales price" and "purchase price."