factors to consider if purely from tax perspective:7 K4 ~6 ^5 F" G& Q0 M
q* X9 |+ j" H7 m7 R; w$ |total additional income ) W. T" m$ N( I3 {7 V8 K
total taxes paid (assume it's not a cash job) 3 u4 t' V1 E" \* O7 ~total tax credit transferrable to working spouse* c; l7 _" m7 x( x
total tax credit for child day care5 d: U9 {) m: w+ X
total day care cost 1 [/ z* ] b, e 0 i' y! i, ]9 `7 p* Wso the formula is: $ ~/ @* v4 |& t" W% C 5 D8 F. v& S7 Y3 V# \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.