factors to consider if purely from tax perspective:2 K7 @8 V. z: V# ]- g
# E# ^* H Q8 s9 \3 ?- K
total additional income 0 l- o) Y( N8 [! y8 s* @
total taxes paid (assume it's not a cash job) % `4 |6 g$ G1 u. B* C8 @total tax credit transferrable to working spouse" m1 d$ d: {- L, b ]$ g! k0 m! W
total tax credit for child day care# Q; F9 H8 U6 B1 O
total day care cost ' q0 J% }7 y( p7 C. j% y+ |5 ^6 G9 Y4 n
so the formula is: 6 P2 a* J2 K' H 7 [: f, y# F6 d9 W* ~3 I$ Itotal 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.