1. The following table gives data on monthly changes (in percent) in the spot price and the futures price for a certain commodity. Use the data to calculate the minimum variance hedge ratio. Rspot0.50%0.61%0.22%0.35%0.79%0.04%0.15%0.70%0.51%0.41% RFutures0.56%0.63%0.12%0.44%0.60%0.06%0.01%0.80%0.56%0.46%