问题详情

The following circumstances may arise in relation to the launch of a new product: (i) Demand is relatively inelastic (ii) There are significant economies of scale (iii) The firm wishes to discourage new entrants to the market (iv) The product life cycle is particularly short
Which of the above circumstances favour a penetration pricing policy？
A.(ii) and (iii) only
B.(ii) and (iv)
C.(i), (ii) and (iii)
D.(ii), (iii) and (iv) only请帮忙给出正确答案和分析，谢谢！