Mary is a travel agent. She intends to sell her customers a special round-trip airline ticket package. She is able to purchase the package from the airline carrier for 170 each. The round-trip tickets will be sold for 200 each and the airline intends to reimburse Mary for any unsold ticket packages. Fixed costs include 5,140 in advertising costs. . For every 135 round-trip airline ticket packages sold, operating income will increase by ________.

		34,000
		27,000
		4,050
		22,950

Which of the following companies is more likely to implement life-cycle costing?

		McDonalds
		Audit firms
		Apple
		Airbus