Look at the list below from a website. It shows the names of bus

Look at the list below from a website. It shows the names of business books for sale. Decide which business book (A--H) each manager needs to read.
MAGAZING ARTICLES
A Keeping customers happy
B Working hours: keeping staff on your side
C Video conferencing: intemational meetings at low cost
D IT training: the key to success
E Planning to enter intemational markets
F Better communication with staff in your office
G Choosing the right applicant for the job
H Cutting production costs and saving money.
Diego Vargas wants to know how to make his goods more cheaply.
A、Keeping customers happy
B、Working hours: keeping staff on your side
C、Video conferencing: intemational meetings at low cost
D、IT training: the key to success
E、Choosing the right applicant for the job
F、Cutting production costs and saving money
【正确答案】：F