A couple has medical expenses totalling $1,250. He earns $20,000 and she earns $25,000. The medical expense threshold for 2019 is $2,352. To obtain the highest tax credit possible, what should the couple do? The credit conversion rate is 15%. A She should claim the tax credit as the higher income earner B He should claim the tax credit as the lower income earner C They should split the tax credit 50/50 D They do not qualify for a tax credit as their medical expenses are less than the threshold