Supermarkets Agreement 2012 Adult Rate The normal weekly pay for an adult aged 21 and over is $565.90 Junior Rates The wage rates for a junior employee are based on a percentage of the adult rate. AgeRateAdult: 21 and over100%20 and under 21 years90%19 and under 20 years80%18 and under 19 years67.5%17 and under 18 years55%16 and under 17 years50% Question prompt and response areaFill in all answer spaces How many people aged 16 and under 17 years can be employed for the same cost as one adult employee?