56 AN EASY PAYMENTS Plan for Saving Decide how much you want to save in a year. Divide the total by twelve. Sign a Banker's Order Form instructing your bank to buy this amount of National Savings for you every month. The Bank will do the rest free, and without putting you to any more trouble. You can make a single purchase of Savings Certificates or invest a regular monthly sum in this way. In ten years' time each 10/- Certificate becomes 13/-. With Income Tax at 9/-, that's an increase equal to a taxable yield of £4.