Has the Howard Government really boosted working families’ incomes, asks John Morrissey.Howard Government boosts the working family’s income! This unlikely-sounding scenario is true for single-income families with children and earning low take-home wages.In fact, the $25,000 a year gross wages of a breadwinner with two children and a carer/spouse, is topped up to $34,253 net, as a result of family tax benefits. This is without taking into account any childcare payments received or the many benef…