A small family business makes scarves made from giviut and vicuna. They sell vicuna scarves for $450 and qiviut scarves for $300. It takes 4 hours to produce one vicuna scarf and 8 hours to produce one qiviut scarf. Due to the number of employees, at most 160 hours are committed to making scarves. The business wants to make at least $12,000 a month. Write a system of two inequalities that describes this situation. Graph the system to show all possible combinations of scarves that the business needs to sell to meet their goals. Write one possible solution to the problem.