E7 Your answer is partially correct. Barbara and Michael met with the supervisor of the pizza division of a medium-sized Italian food supplier, The supervisor explained. the two key costs in his division, as follows. folliows. Although Barbara and Michael used this data to estimate a model for the division's costs, they each came up with a different model, as follows. Barbara's cost model Total pizza division cost =$5.30 (number of pizzas) +$4.440 Michael's cost model Total pizza division cost =$6.50 (number of pizzas) What understanding did Barbara have about the cost behavior of these costs? MOHcost What understanding did Michael have about the cost behavior of these two costs? What understanding did Michael have about the cost behavior of these two costs? MOHcost Recognizing that these were the only two pieces of data they had, which method of cost estimation did they likely use? Assistanc