The reading for the kanji is せん, the reading for this vocab word is ぜに. They're pretty similar, but only ぜに rhymes with "penny."
Ms. Sakurada is always told that she is greedy for money by Mr. Nakagawa.
That Viet guy always finds a good way to make a buck. I'd like to learn how to make a few bucks.
I'm just a slave who will work until I die to earn money for my wife.