a lady friend of mine gets french lessons for
eighteenpence an hour from a real french gentleman.
well, you wouldn't have the nerve to ask me the same
for teaching me my own language as you would for
french; so i won't give more than a shilling.
these lines the audience understand that liza is -
a familiar with tutoring and education services
b good with money and estimating the value for services
c wary and suspicious that higgins will try to cheat her
d clever in her own way and practical