DECLARE
 lv_news_txt CHAR(1) NOT NULL := 'Y';
 lv_balance_num NUMBER(6,2) := 1200;
 lv_rate_num CONSTANT NUMBER(2,2) := .05;
 lv_minpay_num NUMBER(6,2);
BEGIN
 lv_minpay_num := lv_balance_num * lv_rate_num;
 lv_news_txt := 'N';
 DBMS_OUTPUT.PUT_LINE(lv_news_txt);
 DBMS_OUTPUT.PUT_LINE(lv_balance_num);
 DBMS_OUTPUT.PUT_LINE(lv_rate_num);
 DBMS_OUTPUT.PUT_LINE(lv_minpay_num);
END;

DECLARE
 lv_news_txt CHAR(1) NOT NULL := 'Y';
 lv_balance_num NUMBER(6,2) := 1200;
 lv_rate_num CONSTANT NUMBER(2,2) := .05;
 lv_minpay_num NUMBER(6,2);
BEGIN
 lv_rate_num := .07;
 lv_minpay_num := lv_balance_num * lv_rate_num;
 lv_news_txt := 'N';
 DBMS_OUTPUT.PUT_LINE(lv_news_txt);
 DBMS_OUTPUT.PUT_LINE(lv_balance_num);
 DBMS_OUTPUT.PUT_LINE(lv_rate_num);
 DBMS_OUTPUT.PUT_LINE(lv_minpay_num);
END;