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A 45-year-old woman comes to the office due to painful sores and blisters. Three weeks ago, the patient developed painful sores inside her nose and mouth, which made it difficult for her to eat and swallow. Two weeks later, she developed painful blisters on her trunk and extremities. The patient has no chronic medical conditions and takes no medications. Temperature is 36.8 C (98.2 F) , blood pressure is 115/76 mm Hg, pulse is 82/min, and respirations are 14/min. On examination, the nasal, buccal, and palatine mucosa reveal several erosions, as shown in the exhibit. The skin shows scattered, large erosions and a few bullae on the chest, back, and extremities, with a background of normal-appearing skin. Heart, lung, and abdominal examinations are normal. Which of the following is the most likely diagnosis?
Budget Variance
The difference between the budgeted or planned amount and the actual amount spent or received.
Predetermined Overhead Rate
A rate calculated at the beginning of a period, used to apply manufacturing overhead costs to products based on a chosen activity base such as machine-hours or labor-hours.
Variable Component
Variable Component refers to the part of total costs or expenses that changes in proportion to changes in the volume of activity or production levels.
Fixed Component
In cost accounting, this refers to costs that do not change with the level of production or sales, such as rent and salaries.
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