Is advertising a fixed variable?

As you have noticed, the demand for flip phones has drastically reduced, and there are only a few consumer electronics companies selling them at extremely low prices. also, the current buyers of flip phones are mainly categorized under laggards. which of the following stages of the industry life cycle is the flip phone industry in currently? a. growth stage b. maturity stage c. decline stage d. commercialization stage

In your opinion, what is the biggest advantage of being a professional athlete? what is the biggest pitfall? the biggest advantage i would say is the money involved but the biggest pitfall is the physical fatigue and injury.

Samantha, who is divorced and has no children, lived with her roommate, sybil, for the entire year. sybil received $2,000 of unemployment compensation and she has no other income. samantha paid most of the cost of keeping up the apartment and most of sybil's support. which filing status can samantha use