How did you determine how much plat to refund me?
We refunded as many respec purchases as possible, starting with the 5-pack, then single until you had no remaining unused respecs.

Examples:
You had 10 unused respecs from 2 5-respec purchases. You are refunded 20 Platinum.
You had 8 unused respecs from 2 5-respec purchases. You are refunded 20 Platinum.
You had 4 unused respecs from 2 5-respec purchases. You are refunded 10 Platinum.
You had 2 unused respec from 2 single respec purchases. You are refunded 10 Platinum.
You had 1 unused respec from a single respec purchase. You are refunded 5 Platinum.
You had 2 unused respecs from no respec purchases (grants). You lost those respecs.

-ALS