A .https://assets.asklib.com/psource/1473666592320077618.png
B .https://assets.asklib.com/psource/1473666598503074272.png
C .https://assets.asklib.com/psource/1473666626622095450.png
D .https://assets.asklib.com/psource/1473666632319008210.png
A .https://assets.asklib.com/psource/1471854120864071631.png
B .https://assets.asklib.com/psource/1471854130428003899.png
C . 50(https://assets.asklib.com/psource/1471854139435049311.png
)D .https://assets.asklib.com/psource/1471854160804097999.png