15. 어법상 옳지 않은 것은?
- 1Fire following an earthquake is of special interest to the insurance industry.

- 2Word processors were considered to be the ultimate tool for a typist in the past.

- 3Elements of income in a cash forecast will be vary according to the company’s circumstances.

- 4The world’s first digital camera was created by Steve Sasson at Eastman Kodak in 1
