Question Statement:
Consider the argument:
'Whenever tractor fuel prices increase, the average cost of tilling a hectare of land increases. Yesterday, diesel prices rose by $10\%$. Therefore, custom hiring rates for plowing will definitely increase.'
Which of the following, if true, WEAKENS the argument most strongly?
Options:
- (A) The local government has introduced a $20\%$ direct fuel subsidy for custom hiring center operators.
- (B) The price of tractor spare parts also increased last week.
- (C) Tractor engine horsepower has increased over the past decade.
- (D) Farmers prefer plowing after heavy monsoon showers.