You work for a wholesale firm which distributes a single product. $$57,600$ is the value for opening inventory $(1$ Oct $2020).$ Closing inventory valuation conducted on $31$ October $2020,$ $$80640.$ Purchases during the month were: $9$th October, $1,140$ units at $145$ each, $15$th October $1,310$ units at $150$ each and $24$th October, $620$ units at $155$ each. Sales during the month were $12$th October, $1,040$ units at $205$ and $21$st October, $1,840$ units at $220.$ The other cost besides the purchases were: Wages of staff $$44,700,$ Premises purchased $$42,750,$ Administrative expenses $$13,620,$ Selling and marketing costs $$17,890,$ Cost and freight for purchased inventory $ $3,750,$ Carriage outwards $$4,120$ and Depreciation charges $$11,250$

What is sum of the operating expenditure or period cost for the month of October $2020?$