Whistle Works manufacturers safety whistle keychains. They have the following information available to prepare their master budget Units to be October November December produced 1,500 4,750 5,200 Whistle Works sells each whistle for $12. It takes 3 ounces of metal to produce each whistle at a cost of $0.50 per ounce. They prefer to have 10% of materials required for the following direct materials does Whistle Works need to purchase in October to meet production needs? OA. 4,525 ounces OB. 4,500 ounces OC. 13,425 ounces OD. 13,575 ounces