switch(MONTH(),1,J3,2,J3+L3,3,J3+L3+N3,4,J3+L3+N3+P3,5,J3+L3+N3+P3+R3,6,J3+L3+N3+P3+R3+T3,7,J3+L3+N3+P3+R3+T3+V3,8,J3+L3+N3+P3+R3+T3+V3+X3,9,J3+L3+N3+P3+R3+T3+V3+X3+Z3,10,J3+L3+N3+P3+R3+T3+V3+X3+Z3+AB3,11,J3+L3+N3+P3+R3+T3+V3+X3+Z3+AB3+AD3,12,J3+L3+N3+P3+R3+T3+V3+X3+Z3+AB3+AD3+AF3)