The business leader of a toy-making company needs to determine the number n of employees that can be hired while maintaining a certain profit p. Employee wages are w dollars per day, and each employee will make t toys on average each day. Each product can be sold for s dollars and costs c dollars to produce. The daily overhead cost is h dollars. Write an equation for profit, explaining how you obtained the equation. Then find an equation expressing the number of employees that can be hired as a function of the other variables.