Before the Covid-19 pandemic Company AB Ltd established a thriving clothing retailer. The company operated from a self-service store on the outskirts of the city and had few employees. The strategy of the company was to offer a bargain clothes which were at least 20% cheaper than the market and offered a further 10% discount if customers spent more than £100. Explain how the key accounting ratios would have changed due to the Covid-19 pandemic including periodic lockdowns, social distancing, and wearing masks.