Porterfield, James T. S. Investment decisions and capital costs / [by] James T.S. Porterfield. - Engelwood Cliffs, N.J. : Prentice-Hall, 1965 - viii, 152 p. : ill. ; 22 cm. - Prentice-Hall foundations of finance series . Includes index Subjects--Topical Terms: Capital investments. Dewey Class. No.: 658.15 / POI 1965