Case C-511/10: Judgment of the Court (First Chamber) of 8 November 2012 (reference for a preliminary ruling from the Bundesfinanzhof — Germany) — Finanzamt Hildesheim v BLC Baumarkt GmbH & Co. KG (Sixth VAT Directive — Article 17(5), third subparagraph — Right to deduct input tax — Goods and services used for both taxable and exempt transactions — Letting of a building for commercial and residential purposes — Criterion for calculating the deductible proportion of VAT)