<span style="line-height: 20.8px;">Bangladesh now spends only two to three percent of&nbsp;</span><span style="line-height: 20.8px;">G</span><span style="line-height: 20.8px;">DP</span><span style="line-height: 20.8px;">&nbsp;on such investment, but needs to invest up to 12 percent to achieve the target of becoming a middle-income country, senior finance ministry official Mohammad Mejbahuddin said.&nbsp;</span>