The following premiums are for one-year European options for an underlying asset with a current spot price of $100: Strike Price Call Pu $80 90 100 110 120 $28.34 $2.07 21.46 4.41 15.79 7.96 11.33 12.71 7.95 18.55 The risk-free annual effective rate of interest is 8.5%. In questions 3 to 9, determine the net financing cost of the position, i.e., the excess of the premiums paid over the premiums received as of time 0. a)