Select the correct answer. In a set of instructions, Theresa writes, “In case a customer requests it, a beach umbrella shall be provided.” How should she rewrite this step to change it to the imperative verb mood?

A. A beach umbrella shall be provided on request to the customer.
B. Provide a beach umbrella to any customer who requests it.
C. Should the customer request a beach umbrella, it is okay to provide it.
D. A customer who requests a beach umbrella will be given one.
E. It is necessary to provide a customer with a beach umbrella on request.