The rate of the tax imposed by PMC 3.30.010 shall be one-half of one percent of the selling price or value of the article used, as the case may be; provided, however, that during such period as there is in effect a sales tax or use tax imposed by Franklin County under RCW 82.14.030(2) at a rate equal to or greater than the rate imposed by this section, the County shall receive 15 percent of the tax imposed by PMC 3.30.010; provided, further, that during such period as there is in effect a sales tax or use tax imposed by Franklin County under RCW 82.14.030(2) at a rate which is less than the rate imposed by this section, the County shall receive from the tax imposed by PMC 3.30.010, that amount of revenues equal to 15 percent of the rate of the tax imposed by the County under RCW 82.14.030(2). [Ord. 2620 § 2, 1986; Code 1970 § 3.98.020.]