The Umbrella Decision

Scenario

You're about to leave for work. The weather app says there's a 40% chance of rain. You have a 20-minute walk each way. If you bring an umbrella and it doesn't rain, you carry it all day for nothing. If you don't bring one and it rains, you get soaked.

Question

Which factor is MOST relevant when deciding whether to bring the umbrella?

1. A.Whether the forecast was right yesterday
2. B.The cost of getting wet (discomfort, wet clothes) vs. the cost of carrying the umbrella
3. C.What your coworkers typically do in similar weather
4. D.Whether you own a compact umbrella or a full-size one