factors to consider if purely from tax perspective: $ W9 j; Z, _; r Q. \' E& u0 N/ T & J. V5 s @2 Y( n Qtotal additional income $ G/ R) C; x u) }total taxes paid (assume it's not a cash job) * o; b0 w8 |/ Q6 f5 t: g! ^total tax credit transferrable to working spouse 8 ~* x4 G7 n' w9 Ntotal tax credit for child day care : `. m( M6 L4 Ptotal day care cost ) m* ^5 W8 l. `1 y0 B/ W9 @ T 1 p; E/ K: u' j" y6 d dso the formula is: " O& j. M& \% o* `+ t! X+ q2 Q' [
total additional income - total tax paid - total transferrable tax credit to working spouse (this can be claimed if one of the spouses has 0 or very little annual income) - total child day care tax credit =/</> total cost of day care.