A customer who places an order to buy an open-end investment company: A will buy at the market price at the moment the order was placed B must be delivered a prospectus at, or prior to, confirmation C must receive oral disclosure of any sales charge on the purchase D will receive a fill at the prior day's closing NAV Review

B must be delivered a prospectus at, or prior to, confirmation

Explanation:

In the case when the customer wants to place an order to purchase an open end investment company so it must be delivered the prospectur or before that the confirmation is required for the same

Therefore as per the given situation, the option b is correct

And, the same is to be considered

due to the changes the federal reserve is making the unused reserves will impact the economy by them facing inflation. inflation is definfed as the increase in pricing of a good or service but the decline of the value of money used for purchasing those items. when the economy has a high inflation rate, they are subject to money loss and hurt on the economy.