You purchase shares in a closed$-$end mutual fund. Which statement is true?

a$.$ Most closed$-$end funds maintain a cash balance sufficient to meet any redemption requests.

b$.$ You can redeem the shares at the end of any business day with the fund issuer.

c$.$ The capital in a closed$-$end fund is fixed

d$.$ Closed$-$end funds generally trade at a discount to their NAVPS.