1 Some accountants will complete one directorâs return for free, whereas others will charge a one-off fee. 2  IR35 contract reviews â some accountants provide a âfreeâ review service (subject to 1 or 2 reviews per year), whereas others charge a fixed-fee for an in-house or third-party review.
â¢ Sinus infection involves the sinus cavities of the skull, whereas the cold only involves the mucous membranes. â¢ Sinus infection is mainly due to bacterial, whereas the cold is due to viral agents. â¢ The headache in sinus infection is much heavier than in the cold, with the heaviness aggravating when bending forward.
Sinusitis is one of the most common medical problems affecting approximately 30% of the population at some point. Acute sinusitis commonly follows a cold and typically lasts for up to three weeks. After three weeks it becomes defined as a chronic sinusitis and may become much more difficult to treat.