The website salary.com released a study today calculating the true cost of a mother’s childrearing labor – they calculate that stay-at-home moms’ would earn $134,000 a year if paid for all her work; mothers who work outside the home perform an estimated $85K of additional work. They calculated these figures by factoring in the pay rates for jobs most like mothering – housekeeper, day-care teacher, cook, computer operator, laundry machine operator, janitor, facilities manager, van driver, chief executive and psychologist/ Find out more at the Salary.com “MomsCenter” website – you can create a personalized mom salary report.