How normal is the gross profit margin of tourism?

About 40%-50%. The gross profit margin of different enterprises in the tourism service industry varies greatly, from as low as 30% to as high as 60%, usually around 40%-50%. Gross profit margin = (sales revenue-cost of sales)/sales revenue multiplied by 100%= (price excluding tax-purchase price excluding tax)/price excluding tax multiplied by 100%. Gross profit margin =( 1- purchase price excluding tax/sale price excluding tax) times 100%. Gross profit margin = (sales revenue-cost of sales)/sales revenue multiplied by 100%.