The common shores of Twitter, Incorporated (TWIR) recently traded on the NYSE for $75 per share. You have employee stock op Sare to purchase 1,000 TWTR shares for $80 per share. The options expire in three years. Aseume that the annualized voiatity of TWTR stock is 65 percent and that the interest rate is 3 percent. (Assume the options are European options that may anly be exerclsed at the maturty date) a. Ke thie oction a call or a put? Call Put b. Using an option pricing calculator such se the one at erierleamblackscholes, estimate the value of your TWTR options. Note: Round your tintermediate calculations to 2 decimal places and final answer to nearest whole dollar. c. What is the estimated volue of the optlons If their maturty is six monthe instead of three years? Note: Round your intermediate colculations to 2 decimal places and final answer to nearest whole dollar. d. What is the estimated value of the optons if their maturity is three years, but TWTR's volotity is 40 percent? Note: Round your intermediate calculations to 2 decimal places and final answer to nearest whole dollat