ND is wrong
because it is half yearly to get interest, so i=j2/2=(1+0.051)^(1/2)-1=0.002547
we assume the level deposit is "x", n=5years*2=10, it is a annuity question
the equation is
5000*(1+0.002547)^10+x*[(1.002547*10-1)/0.002547]=9400
x=$422.25
perfect!!!!
please give me...