=IF(AND(H3>1,H3<=3),VLOOKUP(G3,$B$15:$F$20,2,0),IF(AND(H3>=4,H3<=8),VLOOKUP(G3,$B$15:$F$20,3,0),IF(AND(H3>=9,H3<=15),VLOOKUP(G3,$B$15:$F$20,4,0),VLOOKUP(G3,$B$15:$F$20,5,0))))