How does the use of e-mail benefit business communications? it can be sent at any time. it is faster than regular mail. it improves writing skills. it is less expensive than using a courier. it reduces the need for proofreading.

The use of e-mail benefit business communications because it can an be sent anytime, it is faster than regular mail  and less expensive than using a courier.  E-mail is an efficient and effective ways to transmit all kinds of electronic data. E-mail is also cheap (you need only Internet connection) and costs the same regardless of distance and the number of people you send it to.

i think its d if im not mistaken