Which subject line will likely result in grabbing readers' attention? a. Carpool and Vanpool Opportunity b. Our Sustainability Efforts Are Underway! c. Go Green and Save Greenbacks! Which opening will best capture the reader's attention and interest? a. We are always looking for ways to reduce our impact on the environment. b. Sustainability is important to HealthyFoods and our record speaks for itself! c. Kudos to all you green-minded staff members for making HealthyFoods a pioneer in sustainable business practices!