Information for Flint Gruber, Inc. for the current and prior months is provided below: Cost Item Activity in Units Cost Rent Expense Current Month 20200 $50300 Prior Month 10100 50300 Factory Labor Current Month 20200 79200 Prior Month 10100 39600 How would the costs for "Rent Expense" and "Factory Labor" be classified? Select answer from the options below Rent Expense is a variable cost and Factory Labor is a fixed cost. Rent Expense is a fixed cost and Factory Labor is a variable cost. Both Rent Expense and Factory Labor are variable costs. Both Rent Expense and Factory Labor are fixed costs