TY - BOOK AU - Young, Felina C. TI - Mathematics of investment made simple SN - 9789712352560 U1 - Fil. 513 Y71m 2009 PY - 2009/// CY - Manila : PB - Rex Book Store, Inc. , KW - 1. Annuities. KW - 2. Business mathematics N1 - Includes bibliographical references & index ER -