Wendy's Garden Nursery grows 20 pot plants at unit cost of $20 and donates them to a local aged care home. The market price for the plants is $50 each.The Nursery's value added in case is a.-$400 because the Nursery makes a loss of -$400. b.$1000 because the market value of the plants is $1000. c.zero because the aged care home's willingness to pay is zero. d.unknown because we don't have information on the value of the plants to the aged care home.