Sir William
I honestly think Cakewalk should swallow their pride and take their error like a man - extend the deadline to end if March. After all, it wasn't the users' mistake.
I guess "Add one year..." discount was thought for "early adopters", with reasonable one month grace period. And not as money saving feature in terms of "I can skip 2 months and loose nothing" (either at the beginning of the last year or this year).
I know in most cases "special actions" are prolonged and not cut, but in this case that make sense.
Also "usual" price (in other online shops) is less then $30 more.