Microeconomics

Price Theory and Applications,  by Steven Landsburg
South-Western College Pub; 9th edition (August 21, 2013)
ISBN-10: 1259144380
ISBN-13: 978-1259144387
You may also use the 6th, 7th or 8th editions of this textbook.

Macroeconomics

Intermediate MACRO by Robert Barro
South-Western College Pub; 1 edition (September 11, 2009)
ISBN-10: 1439040095
ISBN-13: 978-1439040096

Corporate Finance

Principles of Corporate Finance by Richard Brealey, Stewart Myers, Franklin Allen
McGraw-Hill/Irwin; 12th edition (January 5, 2016)
ISBN-10: 1259144380
ISBN-13: 978-1259144387
You may also use the 7th, 8th, 9th,10th or 11th editions

Financial Accounting

International Financial Statement Analysis (CFA Institute Investment Series) (Wiley, 3rd Edition, February 2, 2015)

by Thomas R. Robinson, Elaine Henry, Wendy L. Pirie, Michael A. Broihahn

ISBN-10: 1118999479

ISBN-13: 978-1118999479

Mathematical Statistics 

Modern Mathematical Statistics with Applications (Springer Texts in Statistics, 2nd edition. December 6, 2011) [available free online; see discussion forum]

by Jay L. Devore, Kenneth N. Berk

ISBN-10: 1461403901

ISBN-13: 978-1461403906