An airline expects jet fuel prices to rise in the near future. It wants to hedge its consumption of jet fuel by buying futures contracts on cross-product heating oil. It wants to compute the hedge ratio. It collects data on percent price change of jet fuel and the futures price for heating oil for the past 20 months as shown in the following table:Month1234567891011121314151617181920rs1.50.7-0.9-020.61.81.40.5-0.3-0.7-0.10.41.20.90.60.70.40.91.2-0.5rf2.31.2-1.3-0.50.92.11.80.3-0.8-0.1-020.40.91.10.90.90.30.21.5-0.8Regress rS on rF and determine the optimal cross-hedge ratio.