Dog Inc. and Cat Inc. are two small pet food manufactures that share the same building. The two companies are considering leasing a packaging machine together. The machine's rent is based on volume. If Dog rents the machine on it own, it will cost $260,000 per year. If Cat rents the machine alone, it will cost $140,000. If they rent the machine together, the total costs will be discounted to $360,000. For the following multi-choice question(s), submit your written answers from the multi-choice questions here. 3 marks per multi-choice question for showing correct work