Many Items Can Be Included in the E-Mail Order Confirmation

Many items can be included in the e-mail order confirmation sent to a customer after an order is completed. What should these items include at a minimum?

A) The customer name, the credit card number used and the total credit card charge
B) The date, an order summary and a shipping tracking number
C) Links to more products, product promotions and coupons for future purchases
D) A shipping address, an order summary and company contact information