Precisely interpret the estimated coefficient on "small city". Precisely interpret the estimated coefficient on "looks".

Residuals: Min 10 Median 30 Max 0. 99203 -0. 24565 0. 00345 0. 24127 1.06088 Coefficients : Estimate Std. Error t value Pr(>Itl) (Intercept) 0. 570109 0. 089862 6. 344 3.27e-10 *** Looks 0. 041214 0. 015552 2. 650 0. 008164 * * union 0. 166554 0. 023508 7.085 2.50e-12 * ** goodhealth 0. 112004 0. 043375 2. 582 0. 009948 * * black 0. 078057 0. 040426 -1. 931 0. 053760 married 0. 024655 0. 024209 1.018 0.308707 south 0. 050749 0. 027920 1. 818 0. 069396 bigcity 0. 167111 0. 030233 5.527 4.07e-08 *** smallcity 0. 094190 0. 024154 3. 900 0. 000102 * * * service -0. 116602 0. 025821 -4. 516 7.00e-06 * ** education 0. 049481 0. 004546 10.884