As you were asked to consider a discount price. Consideration of the contract and found the kitchen to be responsible for the lack of food that one is worth 90 baht
As for your request, consider the food price discounts based on contract and then found that the kitchen Manager is responsible for the defect occurred in the number of 1, which is worth 90 baht.
As you have requested, it shall be considered the Discount Price, under the contract, and then found that the kitchen will be responsible for the flight in the number of birth defects of the food by 1. A value of 90 Baht.