Title Coffin's interest tables at one-half, one, two, three, three-and-one half, four, four-and-one-half, five, six, seven, eight and ten per-cent, per annum, showing the interest on any amount from $1.00 to $10,000 and liberty bond calculations at 4 1/4 and 4 3/4 per cent; also containing a perennial time table, tables of values of foreign money, interest laws of all the states, rates of postage, business forms and business laws in daily use. By John E. Coffin.