40. Which of the following is the only form of perfection that occurs without the giving of public notice? A. Perfection by public filing B. Perfection by attachment C. Perfection by possession D. Perfection by control 41. In which of the following cases will perfection by attachment not be effective? A. The goods were sold on conditional sales contract to the consumer. B. The creditor has lent money to enable a consumer to buy goods. C. The consumer good is a motor vehicle. D. The goods were sold on a time-payment plan to the consume