(1)(a) If your weekly benefit amount for regular unemployment benefits is increased during your benefit year, the maximum amount of extended benefits payable will be the lesser of fifty percent of the total regular unemployment compensation paid to you for the benefit year or thirteen times the average weekly benefit amount paid during your benefit year.

Example: You receive regular unemployment benefits for twenty weeks at $200 and $245 for the remaining six weeks. The maximum benefits payable on your claim is $5,470. Your weekly benefit amount for extended benefits will be $245. The maximum extended benefits payable will be $2,735 which is the lesser of fifty percent of $5,470 or thirteen times $222.5 ($200 + $245 divided by 2, the average of both weekly benefit amounts, or $2,892).

(b) When the state is in a high unemployment period as defined in RCW 50.22.010(3), the maximum amount of extended benefits payable will be the lesser of eighty percent of the total regular unemployment compensation paid to you for the benefit year or twenty times the average weekly benefit amount paid during your benefit year.

(2) For purposes of this section, "average" means the average of the two weekly benefit amounts paid during your benefit year.