225 • RHYME AND REASON • Sing a song of spare cash, a song to make you sigh; Four and twenty shillings spent on a 'buy.' When the 'buy' was opened the 'Bug' began to sing 'Wasn't that a lot to pay for such a foolish thing?' BECAUSE: Every 15/- earns you 5/6 in 10 years' time. This increase is not subject to Income Tax. They're easy to buy, easy to hold, easy to cash. Savings up keeps prices down. Savings help to win the war. ISSUED BY THE NATIONAL SAVINGS COMMITTEE BUY NATIONAL SAVINGS CERTIFICATES.