54. Research Problem. The following selected court cases have helped to shape the tax law in regard to allowable trade or business tax deductions. Read the following court cases and prepare a brief written abstract for each case. a. New Colonial Ice Co., 4 USTC (1292, 292 U.S. 435. b. T.H. Welch v. Helvering, 3 ustc (1164, 290 U.S. 111. If you have any knowledge on an outline. DO NOT need a written abstract, just a jist on what it is about