At Flint's annual management meeting, the following accounts and amounts were shared in the presentation. However, these account titles did not match the terms loosely discussed in the meeting. Cost of merchandise sold $456,000 Salaries and wages expense 248,000 Uncollectible accounts expense 18.100. Depreciation expense 90,000 Rent expense 72,500 Marketing expense 24,400 Research and development 47,000 Cost of land for new office building 323,000 Brian was the only new employee there and is unsure of what all these terms mean. As part of the accounting staff, your task is to help him begin to understand the basics of costs and expenses.