You notice a gross margin percentage variance of 7%. This means O you are making more gross profit per unit than budgeted you are making less gross profit per unit than budgeted O your net profit margin will increase by 7% O your net profit margin will decrease by 7% You notice a favorable EBIT variance. Which of the following could have contributed to it? (Select all that apply.) A change in tax laws that caused a variance in income tax expense Lower than budgeted revenues with increased unit costs Higher than budgeted revenues with decreased unit costs Favorable interest rates reduced the amount of interest expense the company had to pay Lower than budgeted operating expenses with revenue and gross margin on budget