Which response would be the most appropriate and positive tone to reply 1 point to your audience with? Since you failed to include the sales receipt, we refuse to give you a refund. No sales receipt, no refund. O You need to include the sales receipt to apply for a refund. O Customers will not get a refund without a sales receipt. 1 point Which approach would you use if you were writing a letter informing a customer of a six-week postponement of on-site software training. Direct Approach Indirect Approach