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Is it legal for the catering industry to declare that the quotation does not include tax?
The cost of the catering service industry is really simple, and there are roughly the following formulas:

Cost of raw materials consumed in this period = raw materials at the beginning+raw materials purchased in this period-raw materials at the end.

Cost price = purchase price/(output * feeding standard (quantity))

Gross profit margin = (sales price-raw material cost)/sales price * 100%

Sales price = raw material cost /( 1- gross profit margin)

or

Sales price = raw material cost+gross profit amount

or

Sales price = raw material cost *( 1+ addition rate)

or

Sales price = raw material cost+bonus amount

Markup rate = gross profit margin /( 1- gross profit margin)

Gross profit margin = addition rate /( 1+ addition rate)

Value of raw materials = value of wool-(quantity of inferior materials * unit price+quantity of waste materials * unit price)

Net material quantity = total material quantity-auxiliary material quantity-waste quantity

Net material unit price = net material value/net material quantity

Main and auxiliary material cost

(1) net material price

1, there are two main factors that affect the net material rate. One is the quality of food raw materials. The second is the primary processing technology?

2. Garlic counting method with net feed rate

The formula for calculating the net feed rate of garlic is as follows:

Net material quantity = total material quantity-auxiliary material quantity-waste quantity

Net material unit price = net material value/net material quantity

(B) the net cost of nuclear garlic

Net materials can be divided into three categories according to processing methods and degrees: main materials, semi-cost and cooked products.

(3) Gross profit margin and profit margin

Gross profit is the symmetry of "net profit"; Also known as "the difference between commodity buying and selling"; Is it the balance of the sales revenue minus the purchase price?

Gross profit margin refers to the percentage of gross profit in commodity sales revenue or operating income? Gross profit margin is generally divided into comprehensive gross profit margin, classified gross profit margin and single commodity gross profit margin; Gross profit is the difference between tax-free income and tax-free cost of a commodity? Because value-added tax and price tax are separate; So emphasize that tax is not included?

Cost of raw materials consumed in this period = raw materials at the beginning+raw materials purchased in this period-raw materials at the end.

Cost price = purchase price/(output * feeding standard (quantity))

Gross profit margin = (sales price-raw material cost)/sales price * 100%

Sales price = raw material cost /( 1- gross profit margin)

Or sales price = raw material cost+gross profit.

Or sales price = raw material cost *( 1+ addition rate)

Or sales price = raw material cost+added amount.

Markup rate = gross profit margin /( 1- gross profit margin)

Gross profit margin = addition rate /( 1+ addition rate)

Value of raw materials = value of wool-(quantity of inferior materials * unit price+quantity of waste materials * unit price)

Sales price = raw material cost /( 1- gross profit margin)

Sales price = raw material cost+gross profit amount

Sales price = raw material cost *( 1+ addition rate)

Sales price = raw material cost+bonus amount

Markup rate = gross profit margin /( 1- gross profit margin)

Gross profit margin = addition rate /( 1+ addition rate)

Value of raw materials = value of wool-(quantity of inferior materials * unit price+quantity of waste products * unit price) Quantity of net materials = quantity of inferior materials-quantity of inferior materials-quantity of waste products.

Net material unit price = net material value/net material quantity

Cost price = purchase price/(output * feeding standard (quantity))

Gross profit margin = (sales price-raw material cost)/sales price * 100%