Ahome security company plans to open a calling center to respond to customer calls and emails. they plan to buy a large building with one large room to place cubicles where operators will work. there are two options for cubicles: small cubicles for one operator that is 49 square feet and larger cubicles for two operators that is 80 square feet. the company knows it wants a minimum of 12 cubicles, but because of the expense of additional employees, they want a maximum of 20 operators.