State whether the following are True or False:
(a) A quotation letter seeks information about the availability of products with the seller.
(b) Food Safety and Standards Authority of India (FSSAI) collects and collates data on contamination of water.
(c) Laid off employees cannot be reappointed in the same firm even when its business conditions improve.
(d) Trade blocks such as increase in tariffs restrict globalisation of industries.