He added that educating girls also makes sense for poor families, noting that an extra year of secondary schooling can raise their wages by 10 to 20 percent.  
Iwo anaonjezerapo kuti kuphunzitsa atsikana kumamvetsetseka kwa mabanja osauka, poona kuti kuonjezera  chaka chimodzi chophunzira ku sekondale chitha kuonjezeranso malipiro awo kufika 10 kapena 20 pelesenti.