Answer:
A, $10
Explanation:
An open end fund is an investment in which shares can be issued or redeemed at any time.
A Net asset value of a share is the minimum price at which a share can be purchased.
From the above question, the minimum price that the share can be purchased is $10 since it is the Net asset value of the share. In some cases, the fund may impose some charge called the sales load which means that whoever is purchasing the fund will pay something extra other than the Net asset value.
Open end fund is not traded on the market like closed end fund and it does not have to be purchased at any market prevailing price as well.
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