This is dumb, and I should know the answer, but it is frying my brain. So



Dick sells Jane a small lot of dildos for $100. Jane sells them on ebay, and her total earnings are $150.
Did Jane have a 50% roi, or a 150% roi?



Dick sells Jane a small lot of dildos for $100. Jane sells them on ebay, and her total earnings are $150.
Did Jane have a 50% roi, or a 150% roi?



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