Photon Lighting Company Determines That the Supply and Demand Functions $S ( p ) = 300 - 3 p + 0.000015 p ^ { 4 } \text { and } D ( p ) = 2100 - 0.0009 p ^ { 3 }$

Multiple Choice

Photon Lighting Company determines that the supply and demand functions for its most popular lamp are as follows: $S ( p ) = 300 - 3 p + 0.000015 p ^ { 4 } \text { and } D ( p ) = 2100 - 0.0009 p ^ { 3 }$ , where p is the price. Determine the price for which The supply equals the demand.

A) $99.24
B) $100.24
C) $96.24
D) $93.24