LIGHTING ACCOUNTS FOR……….OF ELECTRICITY BILL.A 10%→15% B 10%→25% C...

3. - KIEM TRA ANH 9 HKII
KIEM TRA ANH 9 HKII

3.

Lighting accounts for……….of electricity bill.

A 10%

→15%

B 10%

→25%

C

10

%

→35%

D 5%

→10%