Welcome to Adobe Forum,
Yes, you can buy the photography CC for 9.99$ & also get the Single App CC canceled without any penalty.
It is a limited time offer good until March 31st 2014, please check http://www.adobe.com/au/products/creativecloud/buying-guide.html
You can contact Adobe Or inbox me the new order number of the old CC, I will get canceled for you.
Hope it helps you.
Thanks for responding. Can you cancel my Single App CC membership so I can
join the Photography CC for 9.99? I'm not sure where to find the order
number, but my name is Eric Richards and my email is email@example.com.
My address also is: PO Box 336
Rock Hill, New York 12775-0336