The price of fish has risen from 40 Rupees a kilogram, three years ago, to 90 Rupees a kilogram today. It is clear that fisheries have been artificially hiking prices and that government regulatory controls are needed to stabilize rising prices.

Which of the following, if true, would most weaken the conclusion made above?

Government agencies already require fisheries to open their locations to investigators from the sanitation department.

Polluted waters and loss of habitat have diminished the number of fish, and therefore, have caused fewer fish to spawn.

Fish often inhabit rivers, which draw large tourist populations.

Technological advances in fish spawning have lowered production costs.

None of these