A．( We had planned to sell $120,000 worth of this new product

B．( We had a promotion plan for our product that costs $ 360,000.

C．( Originally, there were 3 promotion plans for the new product

D．( The sales figure of our new products had reached a record high

磁路的材料、性质和尺寸决定产生主磁通所需的空载电流。