ABC inc. has 2 divisions. Contribution margins for division A & B were $180000 and $80000 respectively. Division A has a contribution margin ratio of 50% while division B has a contribution margin ratio of 50%. Total fixed costs were $100000 of which $20000 were common fixed costs. The remaining fixed costs were allocated as follows: 40% to Division A and 60% to Division B. what was division A's segment margin?

a. $148,000

b. $ 30,000

c. $36,000

d. $32,000