ECZ 2017 · GCE Paper 1 — Computer and Calculator
A flow chart computes tax on an income: Enter Income → Is Income < 3 000? If Yes, Tax = 0; if No, Tax = 0.3 × (Income − 3 000) → Output Tax. What tax does the program output for incomes of K2 900.00 and K5 000.00 respectively?
- A. K870 and K1 500
- B. K0 and K1 500
- C. K870 and K600
- D. K0 and K600
Verified working — step 1
K2 900 < 3 000, so the Yes branch fires: tax = K0. K5 000 takes the No branch: tax = 0.3 × (5 000 − 3 000) = 0.3 × 2 000 = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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