When you write a positive claim response, in the opening part, you should acknowledge receipt of the customer's claim and focus on the good news. Which of the following sentences are appropriate?

our email message concerning your recent order has been forwarded to our director of order fulfillment. Your complete satisfaction is our goal, and a customer service representative will contact you within 24 hours to assist with the issues raised in your letter.|Although the Wicked-Snow ice crusher works well when it is used properly, we have decided to allow you to take yours to Ben’s Appliances for repair at our expense.|You may take your Wicked-Snow ice crusher to Ben’s Appliances nearby your office where it will be repaired at no cost to you.|Thanks for your letter about your new Toyota Corolla tires. You are certainly justified in expecting them to last more than 12,000 miles.