The COVID-19 pandemic doesn't appear to have impacted retail selling prices or the rise in purity recorded considering the fact that 2010 in significant approaches, even though a slight increase in selling price and also a stabilisation of purity can be observed in 2020 (see Figure Indexed trends in copyright https://shaneemqvy.eedblog.com/33089887/buy-copyright-online-in-uk-for-dummies