Answer question use Object Oriented Programming in Java.

QUESTION 4 Given the following superclass named Advertising and subclasses named Television and SocialMedia. Superclass Advertising Attributes String companyName; Iame of the company to advertise product Methods String product Type; Ile g: book, fashion, facial, etc : normal constructor, mutators, accessors, tostring() abstract double calculateCost(); /to calculate the cost of I/advertising Subclass Attributes : Television :int duration; Ilin seconds Methods String timesloti I/prime or non-prime : : normal constructor, mutators, accessors, toString() abstract method definition Subclass Attributes Social Media Methods String mediaType; //Facebook, Instagram, Twitter : normal constructor, mutators, accessors, toString() abstract method definition a) Write the definition of method calculateCost() for both subclasses that calculate and return the advertising cost using the following information: For television advertisement, the cost will be calculated based on the duration and time slot as shown in Table 1 Table 1: Television advertisement Duration Cost (RM) 5 seconds 125 7 seconds 150 10 seconds 180 The company should pay additional charge RM100 for the prime-time slot advertising. For social media advertisement, the cost that will be charged depends on the social media type as shown in Table 2. Table 2: Social Media advertising Type Cost (RM) Facebook 200 Instagram 180 Twitter 150 (6 marks) b) Write program fragments for the following questions using the polymorphism concept: i. Declare an array of 15 Advertisement objects named advertise, (1 mark) ii. Display the company name and the cost that should be paid by each company that advertise their product on television. (4 marks) iii. Calculate and display the total cost for each social media type. (4 marks)