For T-Shirts: 2XL add $1, 3XL add $2, 4XL add $4, 5XL add $5.
For Ladies Warm-Ups: 2XL add $2, 3XL add $4
For Unisex Warm-Ups:
Size 2XL
+$2
Size 3XL
+$4
Size 4XL
+$6
Size 5XL
+$8
Size 6XL
+$10