Your client, Sweet Sounds Ltd $($SS$),$ manufactures LED light system. Thecompany has a year$-$end of $30$ June $2021.$ In December $2020,$ SS changed itsmanufacturing process to make its product more reliable. Because of this increased reliability, the company decided to increase the warranty on its products from $2$ years to $4$ years in relation to all sales made from $1$ January $2021.$ From management$$s review of warranty claims relating to the new products, it wasnoted that claims were down by about $20\%$ compared with the old product.Management made an estimate of the provision for warranty of $$4000000$ for $30$June $2021,$ up from $$3500000$ for the previous year

Identify key account balance from the information provided that are

subjected to an increase in audit risk. Briefly explain what factors increase the

audit risk associated with account identified. In your explanation,

please mention the key assertion$($s$)$ at risk of material misstatement for each

account identified.