Name and Star of the Costliest Movie Ticket

DECLARE
    maxPrice    movie.price%TYPE;
    maxCount    NUMBER(4);
    maxTitle    movie.title%TYPE;
    maxStar     movie.star%TYPE;
BEGIN
    SELECT MAX(price) INTO maxPrice FROM movie;
    DBMS_OUTPUT.put_line('The most expensive movie costs Rs.'|| maxPrice);
    SELECT COUNT(mv_no) INTO maxCount FROM movie WHERE price = maxPrice;
    IF (maxCount != 1) THEN
        DBMS_OUTPUT.put_line(maxCount||' movies are priced at Rs.'||maxPrice);

    ELSE
        SELECT title, star INTO maxTitle,maxStar FROM movie WHERE price = maxPrice;
        DBMS_OUTPUT.put_line('The most expensive movie is '||maxTitle||' staring '||maxStar||'.');
    END IF;
END;
/