Given the following function, which statement would execute successfully? CREATE FUNCTION calc_it (p_cost NUMBER) RETURN NUMBER IS v_num NUMBER(8); BEGIN v_num : = p_cost*100; RETURN v_num; END; /
1) SELECT calc_it(cost) FROM orders;
2) EXECUTE calc_it(55);
3) SELECT calc_it(p_cost => 55) FROM orders;
4) calc_it(55);