Ruben intends to sell his customers a special round-trip airline ticket package. He is able to purchase the package from the airline carrier for $150 each. The round-trip tickets will be sold for $220 each and the airline intends to reimburse Ruben for any unsold ticket packages. Fixed costs include $5500 in advertising costs. How many ticket packages will Ruben need to sell in order to achieve $100,000 of operating income? 1429 packages 480 packages 79 packages 1508 packages