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.
âOne of the more common complications is sinusitis, which is usually caused by viruses and rarely (about 2 percent of the time) by bacteria. However, it can be difficult to distinguish bacterial sinusitis from sinusitis caused by a cold because the signs and symptoms can be similar (table 1).