Where a defendant failed to present evidence to support the argument that the U.S. District Court erred in calculating the loss amount, court’s calculation was affirmed.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Edmond E. Chang.Henry Posada was a licensed chiropractor and the owner-operator of Associated Back Care and Rehabilitation, doing business as Spine Clinics of America. Spine …