During the period 1923-1934 (latest figures available) the average profit in the manufacturing industries was equal to 4.2$ for each sales dollar, or 4.3( for each invested dollar

Factory Management and. Maintenance. October, 1938, Part of an Editorial on Public Relationt Entitled, "A Program for Public-Relation*."

Percentage of Profit from a Sales Dollar and an Invested Dollar.

1. The use of a dollar or other coin in place of a circle adds to the effectiveness of a sector

chart.

2. It might have been better to place the section labelled "Profit" at the 12 o'clock mark.

The difTcrence between 4.2 and 4.3 is so slight that the eye has difficulty in noting it. Because the sections are centered on the 6 o'clock mark, it is even more difficult to sec the difTcrence.

GRAPHIC PRESENTATION

NET IMPORTS

NET EXPORTS

U. S. Department of Agriculture, Bureau of Agricultural Economics.

SCALE .7

A. Average World Trade in Apples by Countries for the Five Year Period from 1928 to 1932.

1. The lettering on this chart, the method of division, and the arrangement of the sections

should be commended. Although labels usually are kept on a horizontal plane, the small size of the sections may make it impossible to follow this method even by the use of arrows.

2. These data might be more clearly shown by a 100% bar chart.

I9I0-I9I4

1924-1929

AV. PRODUCTION

2,614,000,000 BUS.

AV. PRODUCTION

2,610,000,000 BUS.

U. S. Department of Agriculture, Bureau of Agricultural Economic*. SCALE .7

B. Distribution of Corn in the United States for the Two Periods 19 10- 1 9 14 and 1924-1929.