A smart phone company plans to produce and sell p smart phones. The cost of producing p phones is
given by 265,000+150 p in dollars. The company
receives $400 on the sale of each phone, so the
revenue for selling p phones is given by 400 p. For
what value of p is the revenue equal to the cost?
A) 500
B) 840
C) 1060
D) 1200​