MsQuasimodo Has the Utility Function U(x, M)= 100x - X²/2

Multiple Choice

Ms.Quasimodo has the utility function U(x, m) = 100x - x²/2 + m, where x is her consumption of earplugs and m is money left over to spend on other stuff.If she has $10,000 to spend on earplugs and other stuff and if the price of earplugs rises from $50 to $75, then her net consumer's surplus

A) falls by 937.50.
B) falls by 625.
C) falls by 2,937.50.
D) increases by 468.75.
E) increases by 1,875.