Your Bid to Set Up the Computer System at Evergreen

Your bid to set up the computer system at Evergreen, a small local business, was accepted. Today you found out that the software that Evergreen's system requires just had a price increase, so your bid will need to increase to reflect this change. Which of the following statements should you include in your message to communicate the price increase to Evergreen to ensure that your audience will accept the bad news?

A) a justification that the increase is due to an unexpected jump in the price of the software
B) a statement that the increase is unavoidable and due to circumstances beyond your control
C) a profuse apology that you must increase your price
D) an acknowledgement that the customer will be disappointed by this news
E) a comment that the price increase will result in hidden benefits