Using the data for Well Inc. in Ex 21-17, (a) determine the maximum possible operating loss, (b) compute the maximum possible income from operations, ( c) construct a profit-volume chart, and (d) estimate the break-even sales (units) by using the profit-volume chart constructed in part ( c). For the coming year, Well Inc. anticipates fixed cost of $240,000, a unit variable cost of $80, and a unit selling price of $120. The maximum sales within the relevant range are $1,200,000