Katie makes and sells scarves. Her monthly profit is given by P(s) = -s^2 + 25s - 100, where “s“ is the selling price. For what range of prices can Katie sell the scarves, in order to make a profit? (For what values of “s” will -s^2 + 25s - 100 be greater than 0?)
A. 5 < s < 25
B. 5 < s < 20
C. 0 < s < 20
D. 0 < s < 25
E. 10 < s < 25
F. 10 < s < 20