Jeff Frost of Mid-America Pay Phones in Waukesha , Wis. , who installs public interest phones in Wisconsin , said it cost an average of about $ 90 a month to maintain one .
Wisconsin /location/location/contains Waukesha
NNP NNP IN NNP VB NNS IN NNP , NNP , WP VBZ JJ NN NNS IN NNP , VBD PRP VBD DT NN IN IN $ CD DT NN TO VB CD .
Wisconsin
LOCATION
Waukesha
LOCATION
/location/location/contains