Convertible preferred stock

Valerian Corp. convertible preferred stock has a fixed conversion ratio of 5 common shares per 1 share of preferred stock. The preferred stock pays a dividend of ?$7.00 per share per year. The common stock currently sells for ?$45 per share and pays a dividend of $2.00 per share per year.

a. Judging on the basis of the conversion ratio and the price of the common? shares, what is the current conversion value of each preferred? share?

b. If the preferred shares are selling at ?$226 each, should an investor convert the preferred shares to common? shares?

c. What factors might cause an investor not to convert from preferred to common? stock?