The Jung Company includes a premium in each box of its cereal. For four premiums plus $2.00, customers are entitled to a plastic doll that costs Jung $4.50 each. Jung expects 60% of the premiums to be redeemed. In 2010, Jung sold 500,000 boxes of cereal and distributed 25,000 dolls. What is Jung's estimated liability for unredeemed premiums on December 31, 2010?