(1) Corporations for the purpose of engaging in the business of generating and furnishing electric light or power, may engage in the business of manufacturing and selling, at wholesale or retail, ice, or other products.
(2) Such electric light and power corporations, as exercise the power given by subsection (a), shall pay the same privilege taxes therefor on such manufacturing and retail or wholesale trade of manufactured products as other corporations incorporated for such manufacturing purposes are required to pay, in addition to the privilege taxes required by law for engaging in the electric light and power business.