In auditing the PPE account, Ayham, CPA, is unable to obtain sufficient appropriate audit evidence regarding PPE account. Required: Determine the type of the audit opinion and why in the following cases. A)- Ayham obtained alternative sufficient appropriate audit evidence regarding this account and concluded that the account is fairly stated. B)- Ayham failed to obtain sufficient audit evidence but the account is considered immaterial. C)- Ayham failed to obtain sufficient audit evidence and the account is considered material but not pervasive. D) Ayham failed to obtain sufficient audit evidence and the account is considered material and pervasive. ( Points)