The following table reports the average price of gold on the London bullion market for five consecutive years. Draw a line graph and bar graph of the data. When should you have invested in gold to...

The following table reports the average price of gold on the London bullion market for five consecutive years. Draw a line graph and bar graph of the data. When should you have invested in gold to make the most profit in the period in question? When should you have sold the gold in order to make the most profit?

1990 1991 1992 1993 1994

$265 $255 $275 $295 $290