Answer:
c. Must purchase shares of the open-end fund in the secondary (stock) market, and shares of the closed-end fund in the primary (from the investment company) market.
Step-by-step explanation:
An open-ended shares are those whose funds are sold by a funds company to the public investors. It is similar to mutual funds unlike the close-ended fund which has a limited or fixed number of shares which is usually offered to the public through the the IPO (Initial Public Offer).
For S.I.D Asset Management which initiated both the open-ended and close-ended funds, in other to purchase it few years later, the appropriate channel needs to be followed.