A company normally sells its product for $20 per unit, which includes a profit margin of 25%. However, the selling price has fallen to $15 per unit. This company's current inventory consists of 200 units purchased at $16 per unit. Replacement cost has now fallen to $13 per unit.
Introduction. A goitre (sometimes spelt  goiter ) is an abnormal swelling of the thyroid gland that causes a lump to form in the neck. There can be many possible causes, including an under-or overactive thyroid gland, iodine deficiency and, rarely, thyroid cancer (see below).ntroduction. A goitre (sometimes spelt  goiter ) is an abnormal swelling of the thyroid gland that causes a lump to form in the neck. There can be many possible causes, including an under-or overactive thyroid gland, iodine deficiency and, rarely, thyroid cancer (see below).
Treatment. If your goitre is relatively small, you probably wonât need any treatment. Your GP will check thyroid hormone levels in your blood every one to two years as there is a possibility of the gland becoming overactive and causing hyperthyroidism at some stage during the next 20 years or so.