Lawyer Leon enters into an agreement with Frank and Marie to represent the interests of their 10year-old son, Robert, in a personal injury case. They enter into a contingency fee agreement, by which Frank and Marie agree to pay Lawyer Leon for his legal services in an amount equal to 33% of any amount recovered through verdict or settlement. The case proceeds to trial and the jury renders a significant verdict for Robert. For a variety of reasons, Lawyer Leon decides to reduce his legal fees to 25% of the verdict. Lawyer Leon drafts a memo to the case file outlining and confirming his decision to reduce his fee. The memo is a/an: a. fee adjustment memorandum b. contingency memorandum c. billing statement memorandum d. confirmation of reduction memorandum