$110 100 90- 80- 70- D 60- Input/Output DOLLARS (in thousands) M N 50- 40- G 301 A 20- 10- 0 100 200 300 400 500 600 700 800 900 1,000 1,100 1,200 UNITS OF OUTPUT SOLD In relation to the graph above, which of the following statements is most correct? Multiple Choice Line G-A has only fixed costs and line G-D has both fixed costs and variable costs Line G-D has only fixed costs and line G-A has both foxed costs and variable costs Line G-A has only variable costs and line G-D has both fixed costs and variable costs Line G-A has only foxed costs and line G-D has only variable costs