The cost of cake includes raw materials and processing costs. Among them, the cost of raw materials such as flour, sugar, eggs, cream and chocolate accounts for about 70% of the total cost, while the processing cost includes the salary of the baking master, the maintenance cost of electrical appliances and other processing expenses, which account for about 30% of the total cost.

However, the price of cakes is also affected by the relationship between market supply and demand. If the market demand is large, then the price of cakes will rise; On the other hand, if the market demand is small, the price of cakes will fall. Therefore, the cost of cake may fluctuate due to the change of market supply and demand.