Assertion: It costs the same to communicate over 500 km as it does over 5,000 km via satellite.
Reasoning: The unit cost and time of communication provided by satellite communication is invariant in terms of distance.
Answer & explanation
Correct answer: option 1
Satellite communication provide the unit cost and time of communication invariant/ irrespective in terms of distance. This means it costs the same to communicate over 500 km as it does over 5,000 km via satellite.