Managers at Pinkie Can foods examine costs each month in response to changes in the amount of material used in their product. Cost item A, a fixed cost, was 18,000 in a month where they used 2,000 pounds of material. What should managers expect Cost item A to be in a month when they use 4,000 of material? (Assume both amounts of material are within the relevant range for the fixed cost item) Managers at Pinkie Can foods examine costs each month in response to changes in the amount of material used in their product. Cost item B. a variable cost, was 12,000 in a month where they used 2,000 pounds of material. What should managers expect Cost item B to be in a month when they use 5,000 of material? (Assume both amounts of material are within the relevant range for the variable cost item)