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The common shares of Twitter, Incorporated (TWTR) recently traded on the NYSE for $97 per share. You have employee stock options to purchase 1,000 TWTR shares for $102 per share. The options expire in three years. Assume that the annualized volatility of TWTR stock is 87 percent and that the interest rate is 2.6 percent. (Assume the options are European options that may only be exercised at the maturity date.) a. Is this option a call or a put? Call Put b. Using an option pricing calculator such as the one at eriericomplackscholes, estimate the value of your TWTR options. Note: Round your intermediate caiculations to 2 decimal places and final answer to nearest whole doliar. c. What is the estimated value of the options if their maturity is six months instead of three years? Note: Round your intermediate calculations to 2 decimal places and final answer to nearest whole dollar. Yosemite Corporation has an outstanding debt of $10.08 million on which it pays a 7 percent fixed interest rate annually. Yosemite just made its annual interest payment and has three years remaining until maturity. Yosemite belleves that interest rates will fall over the next three years and that floating-rate debt will allow it to reduce its overall borrowing costs. A bank offers Yosemite a three-year interest rate swap with annual payments in which Yosemite will pay LIBOR, currently at 4.7 percent, and receive a 4.2 percent fixed rate on $10.08 million notional principat. Suppose that LIBOR turns out to be 4.1 percent in one year and 3.8 percent in two years. Including interest payments on Yosemite's outstanding debt and payments on the swap, what will be Yosemite's net interest payments for the next three years? Note: Negative values should be indicated by parentheses