Table 2. Values in the formulas for calculating the optimal margin.

Name of the compared formulas	Correspondence of the values in the formulas for calculating the optimal value
	Cash reserve in financial management		Order size in supply chains
	Symbol	Explanation	Symbol	Explanation
Baumol and Wilson	$b$	Costs associated with the transaction for the sale of securities, Rub per transaction	$C_0$	The cost of completing one order, Rub
	$P$	The total volume of transactions, Rub for the period T	$A$	The need for the ordered product within one year
	$E_D$	Return on financial investments in securities, %	$C_{\mathit{HR}}$	The cost of storing the order, Rub
The credit line and the optimal order size if the deficit is acceptable	$C_{\mathit{opt}}$	The optimal cash reserve, Rub	$S_0$	The optimal stock level at the beginning of a specific interval
	$M$	The amount of replenishment of the cash reserve, Rub	$q_0$	Optimal order size
	$b$	Costs associated with the transaction for the sale of securities, Rub. per transaction	$C_S$	Order price
	$P$	The total volume of transactions, Rub for the period T	$R$	The demand for the ordered product for the period T
	$E_D$	Return on financial investments in securities, %	$C_1$	The cost of storing a unit of production per unit of time, Rub
	$E_{\mathit{KR}}$	Interest rate per annum for the loan, %	$C_2$	Penalty for lack of a unit of production, Rub