Words used in this chapter have the same meaning as in chapter 57-39.2. For purposes of this chapter:

1.    “Alcoholic beverage” means any liquid suitable for drinking by human beings, which contains one-half of one percent or more of alcohol by volume. This includes beverages whether mixed or unmixed at the time of sale or thereafter and whether sold for consumption on the premises or through off-sale outlets for consumption off the premises.

2.    “Gross receipts”, in addition to the meaning provided in chapter 57-39.2, includes the full retail purchase price, including any taxes imposed on such merchandise or its use or on the retail or other sale of the merchandise, excluding taxes imposed under this chapter.