a. Does the option showd in the following graph, have another name? If so, what is it? b. Please explain the form of the value of 30 days option. c. Please explain why sometimes 30 days option is more expensive than 10 days option and sometimes it is cheaper. a. Does the option showd in the following graph, have another name? If so, what is it? b. Please explain the form of the value of 30 days option. c. Please explain why sometimes 30 days option is more expensive than 10 days option and sometimes it is cheaper