Step 1: Identify the core ethical charge.
The central accusation against the minister is corruption, specifically that he "received kickbacks." This is an act of personal enrichment and a breach of public trust.
Step 2: Analyze the minister's defense.
The minister's arguments focus on procedural correctness ("followed the stated policies"), economic complexity ("difficult to price a scarce resource"), and utilitarian outcomes ("Government and the citizens have gained"). He attempts to reframe the debate around economic "losses" and "benefits."
Step 3: Evaluate the relevance of the defense to the ethical charge.
The minister's defense does not address the core allegation of receiving kickbacks. The ethical nature of his action is determined by whether he corruptly enriched himself, not by the economic outcome of the policy. An action like taking a bribe is inherently unethical, regardless of whether the associated project coincidentally produces a net benefit for citizens or whether a financial loss is "notional" versus "actual." The options (A), (B), (C), and (D) all attempt to create an ethical rule based on a cost-benefit analysis, which is an inappropriate framework for judging an act of corruption.
Step 4: Conclude the appropriateness of the inferences.
Since the ethical question of corruption is independent of the economic outcomes described, any inference that tries to justify or condemn the minister's actions based on a comparison of benefits and losses is fundamentally flawed. Therefore, all the proposed inferences are inappropriate.
Therefore: All of the above A, B, C and D are inappropriate. \[
\boxed{\text{(E)}}
\]