He said that one of the boxes generated around $13,500 in revenue a month and cost only about $400 to rent.
他说,其中一个电话亭每月的收入约为1.35万美元,而租金仅为400美元左右。
2
The monopoly earns therevenue pq and pays thecost c. This leads to the first order condition, for the profit-maximizing quantity qm.
这样垄断者的收入为pq而成本为c。
3
The more small projects a company completes in a month, a quarter, or a year, the more opportunities to drive revenue, reduce cost, or extend brand and value.