On August 1, Arna, Inc. exchanged productive assets with Bontemps, Inc. Arna's asset is referred to as "Asset A, and Bontemps is referred to as "Asset B". The following facts pertain to these assets. Asset A Asset B Original Cost Accum. Depreciation (to date of exchange) Fair Market Value at date of exchange Cash paid by Arna, Inc. Cash received by Bontemps, Inc. $96,000 45,000 60,000 15,000 $110,000 52,000 75,000 15,000 a. Assuming that the exchange of Assets A and B has commercial substance, record the exchange for both Arna, Inc. and Bontemps, Inc. in accordance with generally accepted accounting principles. b. Assuming that the exchange of Assets A and B lacks commercial substance, record the exchange for both Arna, Inc. and Bontemps, Inc. in accordance with generally accepted accounting principles