How much is a catty of authentic Chaoshan beef balls?

In authentic Chaoshan beef balls, fresh beef is slaughtered every day, and the raw meat cost of making beef balls is about 40 kg, beef+rent+labor+packaging, while in local authentic Chaoshan beef balls, it is usually about 60 yuan. Generally, the packaging specifications of beef balls are 250g and 500g, and the special packaging of Chaoshan beef balls is160g. This kind of packaging is intimate and independent vacuum packaging, which can meet the problem that other specifications can't be eaten at one time.