Read the following questions carefully. You may have to do some research for your responses. Write/type your responses in the spaces provided. 1. Discuss what techniques or methods you would use to perform routine calculations on the following: GST Interest Delivery fees Card-processing fees Read the following questions carefully. You may have to do some research for your responses. Write/type your responses in the spaces provided. 1. Discuss what techniques or methods you would use to perform routine calculations on the following: GST Interest Delivery fees Card-processing fees