=3000*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)*(1+10%)=12531.74元15年后月收入12531.74元
厉害3000*1.1^15=12531.74按照复利计算。