There are three types of cups in the mall, and the unit prices are 8 yuan, 14 yuan, and 23 yuan. Mr. Zhu brings 300 yuan and wants to buy 20 cups of the same type. Which type of cup is more suitable for him to buy?
商场有三种型号的杯子，单价分别是8元、14元、23元．朱老师带了300元想要购买20个相同型号的杯子，他买哪种型号的杯子比较合适？
<result>14</result>