B2B Oa) Ob) Which of the following sales practices is permissible? An investment fund manager pays trailer commissions on a sliding scale such that dealers which administer larger amounts of its mutual funds receive a higher trailer rate. An investment fund manager lends money to a mutual fund dealer. An investment fund manager pays an expensive private vacation for a dealing representative of a mutual fund dealer, An investment fund dealer pays commissions to dealers at the flat rate of 5% on the sale of units with deferred sales charges. Oc) Od)