        protocolFee = (price * feesEconomics.protocolFeePercent) / 1 ether;
        subjectFee = (price * feesEconomics.subjectFeePercent) / 1 ether;
        referralFee = (price * feesEconomics.referralFeePercent) / 1 ether;
        holdersFee = (price * feesEconomics.holdersFeePercent) / 1 ether;
        totalFee = protocolFee + subjectFee + referralFee + holdersFee;
