We wil dertue a two-ztate put optian value in this prob ent. Dste: S9=$10;x$120;1+r=110. The two posslailties for S are $140 and $100. Requlred: a. The range of 5;$40 whle thst of P:$20 scross the two atates. What is the hedge rato of the dut? (Negative value should be indicated by a minus slgn. Round your enswer to 2 declmal places.) b. Form s porfiolo of two shsres of stokk and four puts. What is the inonrsndom/ psyoif to this portiolio? (Alound your snswer to 2 decimal places.) c. What is the present velue of the porfiolo? (Round your enswer to 2 decimal places.) d. Given thst the stack currently is seling at St10, ca culate the put veive. (Do not round intermediate calculations and round your onswer to 2 decimal places.)