Sonia Ali, a premium dessert vendor, pays $22.50 for a five-gallon container of premium dessert. From this quantity, she sells 70 scoops at $1.25 per scoop. If she sold smaller scoops, she could sell 110 scoops from the same container. However, she could charge only $0.90 per scoop. If Sonia switches to the smaller scoops, by how much will her profit per container go up? (Profit = sales- expenses) Report to 2 decimal places.
