. . . . . . . . is considered as the father of modern accounting system-

J. R. Batliboi
Louis First
Lucas Pacioli
Philip Kotler

The correct answer is: C. Lucas Pacioli.

Lucas Pacioli was an Italian mathematician, Franciscan friar, and Franciscan priest who is considered the father of accounting. He is best known for his book Summa de arithmetica, geometria, proportioni et proportionalita, first published in Venice in 1494. This book, which was one of the first printed books on mathematics, included a section on double-entry bookkeeping, which is the system of accounting that is still used today.

A. J. R. Batliboi was an Indian accountant and chartered accountant who is considered one of the pioneers of accounting in India. He founded the firm of Batliboi & Co., which is one of the oldest and largest accounting firms in India.

B. Louis First was an American accountant who is considered one of the founders of the American Institute of Certified Public Accountants. He was the first president of the AICPA and served in that position from 1887 to 1889.

D. Philip Kotler is an American marketing professor and author who is considered the father of modern marketing. He is the S. C. Johnson & Son Distinguished Professor of International Marketing at the Kellogg School of Management at Northwestern University.