A shopping mall is priced at 20% profit rate, and then sold at 8.8% discount. The total profit is 84 yuan. How much is the cost of the shopping mall?

A shopping mall is priced at 20% profit rate, and then sold at 8.8% discount. The total profit is 84 yuan. How much is the cost of the shopping mall?

This profit margin is not clear, if it is the sales profit margin
If the actual sales profit rate is 20% * 0.88 = 17.6%, then the sales price is 84 / 0.176 = 477.27 yuan,
Cost = 477.27-84 = 393.27