Analyze the provided circuit diagram and extract all component values and their labels.

Circuit Analysis:

The image displays an electrical circuit diagram with several components and their values.

• Component E1: Voltage source with a value of 70 V. The arrow indicates the direction of current flow.
• Component R1: Resistor with a value of 700 \(\Omega\).
• Component E2: Voltage source with a value of 80 V. The arrow indicates the direction of current flow.
• Component R3: Resistor with a value of 200 \(\Omega\).
• Component E3: Voltage source with a value of 110 V. The arrow indicates the direction of current flow.
• Component R4: Resistor with a value of 30 \(\Omega\).
• The label 'a)' indicates this is likely part of a larger problem.