The Inland Revenue. Rabbi Rabinovitz ...

The Inland Revenue.
Rabbi Rabinovitz  answers his phone.
"Hello?"
"Hello, is this Rabbi Rabinovitz?"
"It is."
"This is the Inland Revenue. Can you help us?"
"I`ll try."
"Do you know Sam Cohen?"
"I do."
"Is he a member of your congregation?"
"He is."
"Did he donate £10,000 to the synagogue rebuilding fund last year?"
"He will!"