As the variability of the underlying asset decreases, the option value of: O a call will increase, but a put will decrease. O a call will decrease, and a put will decrease. O a call will decrease, but a put will increase. O a call will increase, and a put will increase. O None of the answers are correct. Real options are options to of a capital investment project O Invest in O Modify Divest O All of the answers are correct O None of the answers are correct