File talk:Average and marginal revenue.svg
Disappearing green lines
[edit]
Is it only me or that the green lines on the graph disappear in the thumbnails? --CXuesong (talk) 01:30, 13 July 2017 (UTC)
Is it only me or that the green lines on the graph disappear in the thumbnails? --CXuesong (talk) 01:30, 13 July 2017 (UTC)[reply]
