Rosie is a real estate agent and is paid the following for commission on sales: 4% for the first $50,000, 2% for the next $100,000 and then 1.5% thereafter. What is Rosie’s commission if she sells a property for $130,000

    Rosie’s ministry = 0.04*50,000 + 0.02*(130,000 – 50,000)

    = 2,000 + 1,600

    = $3,600