Please help

Sheridan Company has a factory machine with a book value of $87,000 and a remaining useful life of 7 years. It can be sold for $34,000. A new machine is avaliable at a cost of $361,000. This machine will have a 7 -year useful life with no salvage value. The new machine will lower annual variable manufacturing costs from $593,200 to $509,900. Prepare an analysis showing whether the old machine should be retained or replaced. (In the first two columns, enter costs and expenses os positive amounts, and ony amounts received as negative amounts. In the third column, enter net income increases as positive amounts and decreases as negative amounts. Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses es. . (45).) The old factory machine should be