Draw the class diagram and then map the class diagram to code depending upon the specifications in the following table. (20) Inherited No From Employee ee From Employee Functions Variables Earnings Print Constructor Employee Abstract firstName lastName Employee firstName: string social security firstName:string lastName: string number: SSN lastName: string social security number: ssn: string) string SalariedEmploy weekly Salary salaried employee: SalariedEmployee weeklySalary: double firstName lastName firstName:string, social security lastName: string number: SSN ssn: string weekly salary: salary:double) weeklySalary CommisionEmp commission Rate * commission CommissionEmploy grossSales: double loyee grossSales employee: firstName ee(firstName:string commissionRate: double lastName lastName: string social security ssn: string number: SSN saes:double, gross sales: rate: double ) grossSales; commission rate: commission Rate BasePlusCommi (commissionRate* base-salaried BasePlusCommissio baseSalary double sionEmployee grossSales) + commission nEmployee baseSalary employee: firstName:string firstName lastName lastName: string, social security ssn: string number: SSN saes double, gross sales: rate: double, grossSales; salary: double) commission rate: commissionRate; base salary: baseSalary From CommsionEm ployee