For next five problems, you'll be filling in the blanks. Enter numbers only and do NOT enter in dollar signs. Keep in mind that you might have to enter in a negative number. To do this, you will have to enter in a minus sign (-) in front of the number. Quantity TFC TVC 45 0 1 45 20 2 45 35 3 45 45 4 45 75 5 45 120 6 45 180