A 63-year-old male presents to the ER with bone pain, dizzin…

A 63-year-old male presents to the ER with bone pain, dizziness, and a relentless headache. The lab performed routine chemistry and hematology testing and found that his protein level was elevated and that his RBC’s were stacking excessively. If a bone marrow biopsy were performed, which of the following might be found? (You may have to scroll down to see all of the options)