Echo Company issued a unit for $$50.$ It combines $1$ common share with $1$ preferred share. At the time of issue the market price of the preferred shares traded at $$30$ per share and the common shares traded at $$15.$

What is the cost base of the preferred and common shares?

What is the cost base of the preferred and common shares from each unit?

a$)$ $$30$ for the preferred share and $$15$ for the common.

b$)$ $$45$ for the preferred share and $$45$ for the common.

c$)$ $$45$ for the preferred share and $$13\mathrm{.}50$ for the common.

d$)$ $$33\mathrm{.}33$ for the preferred share and $$16\mathrm{.}67$ for the common.