The reason for a lower marginal cost is the lower average cost of production per unit which will enable high sales.
When in comparison made to accessories sale and the number of dolls being purchased one finds that mattel set lower margin contribution because the dolls will be sold at relatively lower price.
On an average the accessories at a higher margin because high value doll users tend to buy more of high priced accessories for their dolls.
And everytime the barbie doll gets a new thing or a body the consumer needs to relocate all new accessories without keeping in mind the high priced dolls. Lower the price higher the sale the formula works like this.
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