RDP 2012-03: ATM Fees, Pricing and Consumer Behaviour: An Analysis of ATM Network Reform in Australia Equation (C6)

σ_{1} = σ_{2} = σ = \frac{2 l}{3} - τ + c

Equation (C7)

F_{1} = F_{2} = F = \frac{1}{2} + c + m + \frac{l}{9}