A West Coast refinery used the following stocks of oil in a production run of gasoline. The respective costs of these stocks are shown in the adjacent column. A West Coast refinery used the following stocks of oil in a production run of gasoline. The respective costs of these stocks are shown in the adjacent column.
Barrels Unit cost
Light Arabian crude oil 5000 64
High-sulfur Alaskan oil 20000 53
Methyl alcohol from corn 1000 84
Texas medium weight crude 6000 60
The average cost per barrel is,