which of the following is an example of a capital resource? coal machinery time horse

which of the following is an example of a capital resource? coal machinery time horse
Answer
Brief Explanations:
Capital resources are man - made goods used in production. Machinery is a man - made item used to produce other goods. Coal is a natural resource, time is an abstract factor, and a horse is an animal resource not typically considered capital in a modern economic production sense.
Answer:
B. machinery