Which major airline started as an agriculture dusting service?

Delta's birth as a crop-dusting company is unique among the U.S. airlines. Taking an entrepreneurial risk, Delta also began passenger service in 1929 without air mail subsidies. Forced to suspend airline operations during the Great Depression, Delta survived and grew into one of the world's largest airlines.

Please give me the brainliest

what are the choices?

i believe the answer to your question is b. pay your bills early