Case C-695/19: Judgment of the Court (Fourth Chamber) of 8 July 2021 (request for a preliminary ruling from the Tribunal Arbitral Tributário (Centro de Arbitragem Administrativa — CAAD) — Portugal) — Rádio Popular — Electrodomésticos SA v Autoridade Tributária e Aduaneira (Reference for a preliminary ruling — Directive 2006/112/EC — Value added tax (VAT) — Exemptions — Article 135(1)(a) — Definition of ‘insurance’ transactions and of ‘related services performed by insurance brokers and insurance agents’ — Article 174(2) — Right to deduction — Proportional deduction — Extended warranties on household electrical appliances and other computer and telecommunications equipment — Definition of ‘financial transactions’)