IF ANSWER$ = "YES" THEN
The program is supposed to print out the cost of the user's beverage. Here is the program with a few additions:
PRINT "Do you want coffee? (Answer YES or NO)"
INPUT ANSWER$
IF ANSWER$ = "YES" THEN
LET PRICE = 1.05
ELSE
' decide between tea and milk
ask if customer wants tea
IF customer wants tea THEN
charge customer for tea
ELSE
charge customer for milk
END IF
END IF
PRINT "Your beverage costs:", PRICE
END
Now write two QBasic statements for:
ask if customer wants tea