It depends on the price agreed to in the off-take agreements

From their Oct 16, 2017 NR

"In connection with the closing of the Debenture, Champion’s subsidiary, Québec Iron Ore Inc. (“QIO”), has entered into an off-take agreement with Glencore pursuant to which Glencore secures global off-take rights for life-of-mine of the Bloom Lake iron mine (“Bloom Lake”) with fixed commercial terms for a 10-year period for all tonnes of future iron ore production at Bloom Lake not sold in Japan under the existing off-take agreement with Sojitz Corporation. "