Which statement is true about the transitions because and as a result in the following sentences?

Amir reached his savings goal because he worked hard at his new job all summer. As a result, he was able to buy the new skates that he wanted.

(1 point)
Responses

Both because and as a result signal a cause.
Both , because, and , as a result, signal a cause.

Both because and as a result signal an effect.
Both , because, and , as a result , signal an effect.

Because signals an effect and as a result signals a cause.
Because, signals an effect and , as a result, signals a cause.

Because signals a cause and as a result signals an effect.
Because, signals a cause and , as a result, signals an effect.

Because signals a cause and as a result signals an effect.

Because, signals a cause and, as a result, signals an effect.

Because signals a cause and as a result signals an effect.

The correct statement about the transitions "because" and "as a result" in the given sentences is:

Because signals a cause and as a result signals an effect.