payroll.scala

object Payroll {
	def printSalary(employee: Employee) {
		val currentYeay = 2001
		employee match {
		      case Intern(stay) =>
		        println(stay * 300)
		      case Dev(startYear) =>
		        println(1000 + (currentYeay - startYear) * 500)
		      case Manager(startYear, direct) =>
		        println(1000 + (currentYeay - startYear) * 500 + direct.length * 20) 
		}	
  	}
}