听材料，回答问题。
（1）When will the boy give his father a present？
A.On his father's birthday.
B.On National Day.
C.On Father's Day.
（2）What colour does the boy's father like？
A.Black and blue.
B.Black and white.
C.Blue and white.
（3）What size does the boy's father take？
A.Small.
B.Medium.
C.Large.
（4）How much will the boy pay？
A.150 yuan.
B.75 yuan.
C.50 yuan.