Megan purchased a new gadget for her technology hobby. She plans to sell it sometime in the future; however, its value depreciates monthly. The expression shows the depreciated sales value of the gadget: 2,020 − 22m What does the variable of the expression represent? The monthly depreciation value of the gadget The amount of money Megan will get when she sells the gadget The number of months Megan will wait to sell the gadget The original value of the gadget