Answer:
A- Change in cost of raw materials
Step-by-step explanation:
If consumers increase money you would not lose or gain money it is simply a matter of how they spend the money not how much money they get, therefore you can eliminate B
The government could impact it but only if the regulation specifically target the supply industry simply making a small change would not change the market so therefore eliminating C
Prices of substitute goods does not necessarily have an impact on the supply, unless you specifically sell those items but for this it does not apply to the statement therefore eliminating D
A change in technology would not affect the supply of an item just because there is new technology, does not mean that natural resources are more available or attainable therefore eliminating E
I think the best answer here is A, sorry if im wrong let me know