(a) The tax rate shall be at an amount equal to two percent (2%) of the gross income from the business activity upon every person engaging or continuing in the following businesses:
(1) felling, producing, or preparing timber or any product of the forest for sale, profit, or commercial use.
(2) extracting, refining, or producing any oil or natural gas for sale, profit, or commercial use.
(b) The rate specified in subsection (a) above shall be applied to the value of the entire product extracted, refined, produced, or prepared for sale, profit, or commercial use, when such activity occurs within the Town, regardless of the place of sale of the product or the fact that delivery may be made to a point without the Town or without the State.
(c) If any person engaging in any business classified in this Section ships or transports products, or any part thereof, out of the State without making sale of such products, or ships his products outside of the State in an unfinished condition, the value of the products or articles in the condition or form in which they existed when transported out-of-State and before they enter interstate commerce shall be the basis for assessment of the tax imposed by this Section.
(d) (Reserved)