Assume Brandon's Benefit Function for Water Is S(W)= √W and He

Assume Brandon's benefit function for water is S(W) = √W and he consumes water both in droughts,W_D,or in the rainy season,W_R.Assume his current consumption bundle is W_D = 36 and W_R = 25 and the probability of drought is 0.75.Brandon's risk premium is:

A) 66.31 units of water.
B) 0.19 units of water.
C) 33.16 units of water.
D) 3.20 units of water.