Suppose Total Benefits and Total Costs Are Given by B(Y)=

Suppose total benefits and total costs are given by B(Y) = 150Y − 10Y² and C(Y) = 5Y².Then marginal benefits are:

A) 150 − 20Y.
B) 150Y − 8Y².
C) 15 − 4Y.
D) 5 − 20Y.