please use excel solver and show your steps and formula.

33. Assume the demand for a company's drug Wozac during the current year is 50,000, and assume demand will grow at 5% a year. If the company builds a plant that can pro- duce x units of Wozac per year, it will cost $16x. Each unit of Wozac is sold for $3. Each unit of Wozac pro- duced incurs a variable production cost of $0.20. It costs $0.40 per year to operate a unit of capacity. Determine how large a Wozac plant the company should build to maximize its expected profit over the next 10 years