Answer: C. trade-off
Step-by-step explanation:
If the business owner hires more qualified employees at the cost of paying more for expensive benefits, this is considered a trade-off because she is trading higher costs for more quality.
Trade-offs arise as a result of scarcity. Since resources (money for benefits in this case) are limited, the business owner would have to trade one thing for another instead of being able to get everything she wants. The thing she will exchange will be more expensive benefits for better quality employees.