Your answer is partially correct. Recognizing that these were the only two pieces of data they had, which method of cost estimation did they likely use?

Susan$-$ chose one regression, high low method or accounting analysis method. Gary $-$ chose one regression, high low method or accounting analysis method

Susan and Gary 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.

Although Susan and Gary used this data to estimate a model for the division's costs, they each came up with a different model, as follows.

Susan's cost model $,$ Total pizza division cost $=$$$3\mathrm{.}90($number of pizzas$)+$$$5,865$

Gary's cost model Total pizza division cost $=$$$5\mathrm{.}60($number of pizzas$)$

What understanding did Susan have about the cost behavior of these costs?

MOH cost

Pizza cost

What understanding did Gary have about the cost behavior of these two costs?

MOH cost

Pizza cost