$3\mathrm{.}2.$ You are a Vietnamese exporter with a payment of USD $480,000$ in $6$ months. You signed an option contract with the VND $23,407/$USD exercise price. The current spot price is $22,765$ VND$/$USD$.$ The premium $($option fee$)$ is VND $615/$USD$.$ How would you decide if the spot exchange rate is $24,012$ VND$/$USD after $6$ months? How much would you have to pay?