A、company you already do business with has recently created a new product line. Your department placed an order for the new product, but found that the product did not fulfil your requirements and that the after-sales service was poor. Your head of department has asked you to write a letter to the company informing them of your dissatisfaction.· Write your letter, including the following information: · what the order was for and when it was placed · why you are dissatisfied with both the product and the after-sales service · a reminder of business done with them in the past · what you expect in response to your complaint.