Alma, a sales associate, receives a 20% employee discount. Because she was the top sales associate of the month, Alma was given an additional 10% discount for the month of March. During March, Alma purchased a pair of running shoes for $89.50, a running suit for $129.99, two pairs of socks at $4.00 each, and a T-shirt for $21.50. What was the dollar amount of Almas purchases, including a 7.5% sales tax?