Do you think there is or is not a 'black hole' in the SNP's plan for independence?

Question details

"The Scottish National Party says Scotland can afford to become an independent country, separate from the rest of the UK without having to raise taxes. Some people say that there is a ‘black hole’ in the SNP’s plans, and its sums do not add up. Do you think there is or is not a ‘black hole’ in the SNP’s plans?"

Survey years

• 12 January 2007: YouGov survey for The Sunday Times with 1005 respondents, 18 and older.    Further info