Here is the way I started in on him. I asked:
"What do you pay a pound for salt?"
"A hundred milrays."
"We pay forty. What do you pay for beef and
mutton - when you buy it?" That was a neat hit; it
made the
color come.
"It varieth somewhat, but not much; one may say
75 milrays the pound."
"WE pay 33.