Nicolas Enterprises selis a product for $60 per unit. The varable cost is 535 per unit, while fred costs are 580,000 . Determine the (a) break-even point in sales units and (b) break-tiven point in sales units if the seling price were increased to S67 per unt. (c) Haga grafica de punto de equilibrio e interprete resultados de (b) y (c) usando la grafica