The COVID-19 pandemic does not seem to have impacted retail costs or the rise in purity recorded because 2010 in substantial techniques, even if a slight boost in price tag and also a stabilisation of purity can be noticed in 2020 (see Determine Indexed trends in copyright retail price and https://elliottowcjo.mysticwiki.com/1246231/indicators_on_buy_copyright_online_in_uk_you_should_know