If the demands from Month 1 to Month 4 are 1000, 1100, 1300, 900 respective. Assume a promotion made in a month will lead to 1) Increase the demands at that month by 20% and 2) 30% of demands of the following two months is moved forward. If we have the promotion at Month 2, which of the following is correct:
A) The demand of Month 1 will be 1200
B) The demand of Month 2 will be 1980
C) The demand of Month 2 will be 1320
D) The demand of Month 3 will be 1560
E) The demand of Month 4 will be 900