The following three items are based on the graph given below which shows imports of three different types of steel over a period of six months of a year. Study the graph and answer the three items that follow.

Month	Coil ($320) (thousands of tons)	Sheet ($256) (thousands of tons)	Scrap ($175) (thousands of tons)
January	30	40	32
February	31	37	34
March	33	36	32
April	34	36	31
May	36	34	32
June	38	34	32

The figures in the brackets indicate the average cost per ton over six months period.