Identify the sentence with parallel wording.

Omnichannel advertising is beneficial to companies because it helps them reach a more diverse audience, expands their product line, and for providing more variety of purchasing methods.

all of these answers

Omnichannel advertising is beneficial to companies because it helps them reach a more diverse audience, expands their product line, and provides more variety of purchasing methods.

Omnichannel advertising is beneficial to companies because it helps them in reaching a more diverse audience, helps in expanding their product line, and for providing more variety of purchasing methods.