Airtel$-$Mobil invests a substantial amount of money on mechanical safety features across its global operations each year. Lead engineer for operations in India, Angela, estimates that improving field$-$based pressure$-$release valves will cost $$2$ million now and in each of the following four years. Using a cost of capital estimate of $12\%$ annually for safety$-$related funds, create the cash flow diagram to determine the equivalent value of these expenditures at the end of year $4.$