You are asked to compose a short piece (about 200 words) on the topic "Corruption and Its Impact on Public Services". Use the composition to illustrate causes, consequences, and remedies, and then answer the follow-up items.

a. Write the requested composition (about 200 words) on "Corruption and Its Impact on Public Services."

b. List three main causes of corruption that particularly harm public services, briefly explaining each.

c. Suggest four practical measures that government and citizens can take to reduce corruption in public services, with a short justification for each measure.

d. Write a one-sentence concluding remark that emphasizes why fighting corruption in public services matters.