The Profit (In Dollars) from Selling X Units of Calculus $p = - 0.05 x ^ { 2 } + 20 x - 3000$

Multiple Choice

The profit (in dollars) from selling x units of calculus textbooks is given by $p = - 0.05 x ^ { 2 } + 20 x - 3000$ . Find the additional profit when the sales increase from 149 to 150 units. Round your answer to two decimal places.

A) $5.05
B) $20.00
C) $5.15
D) $10.20
E) $10.00