In the above questions, have you passed vectors and strings by reference? Have you used the const keyword where possible? Have you used the static keyword where possible? Write a class Put Option that...

In the above questions, have you passed vectors and strings by reference? Have you used the const keyword where possible? Have you used the static keyword where possible? Write a class Put Option that behaves in a similar fashion to a Call Option. Make sure you write appropriate tests and follow the conventions on naming files.