Which chart shows foreign trade this year?

M: ... and, although at present 25% of our trade is done abroad, this should increase by 10% next year. We plan to expand foreign trade to 50% of our market within three years.

M: They are exactly what we need. The only problem is the price.
F: How much do they cost?
M: $60.
F: If we buy 30, what discount will they give us?
M: 10%.
F: What if we bought 100?
M: We’d get a higher discount, but we’d never be able to sell them all.