For developments, that result in a number of market-rate residential units not evenly divisible by eight, the developer, at the Borough of Lawnside's discretion, may either construct the additional affordable unit(s) on site or alternatively, the developer may make a payment in lieu of constructing the additional affordable unit(s). The amount of said payment shall be established by subtracting any whole multiples of eight from the total number of market-rate residential units being created, dividing any remaining number of units by eight and multiplying the resulting fraction by $157,698.