Q5. Danaka LLC offers a web-based platform where individuals can place buy and sell orders for JPY against USD. The platform implements standard "central limit order book" procedures. In the morning of Mar 25, 2025, 6 individuals placed the following orders: Asahi, at 9:30am, a limit buy order for 10 USD at or below 70 JPY per USD Chiyo, at 9:31am, a limit buy order for 20 USD at or below 80 JPY per USD Hiroko, at 10:01am, a limit sell order for 10 USD at or above 90 JPY per USD Kenzo, at 10:11am, a limit sell order for 20 USD at or above 100 JPY per USD Makoto, at 10:30am, a market buy order for 30 USD Tomoko, at 10:45am, a market buy order for 30 USD Calculate the total transaction volume