Q.3089 LinkFin Financial Corp is the biggest manager of special purpose vehicles managing mortgage-backed securities backed by commercial mortgage in Hong Kong. It has a portfolio of mortgage-backed securities that has net operating income from commercial mortgaged properties equal to $68 million. The total debt payments for notes issued against these mortgages is equal to $54 million. The total worth of assets in the mortgage pool is estimated to be around $5 billion. Given this information, the debt service coverage ratio is closest to: