Suppose that standard deviation of monthly changes in spet prices of silver is 315 perce of silver, and the of correlation between the two changes is 0.95. As n orisind e cances o ver with vibe of m y which one of the changes in future prices of the res wing is more t is $1.45 per unit. The cufficient 1. He should hedge almost 81.90 percent of his trading 2. He showed almost 687.93 onces of silver 3. It is a cross hediyesi All the