Use the concept of put call parity to answer the following: a) Astock trades for $63. A six-month call option with a $70 strike price sells for $3. The risk-free rate is 0.4% per month. What's the price of a six-month put option with a $70 strike? b) A stock has one year. $130 strike price options that currently cost $6.13 for calls and $7.84 for puts. If the risk free rate is 5%, what is the current price of the stock? 12pt Paragraph B IV ATVEIDO