Jasper owns a block of land in Dandenong. He grows trees for timber on the land. Select the income amounts which are to be included in Jasper's assessable income. You may select more than one answer. $20,000 payment received from Archie for the right to enter Jasper's land and remove timber. $50 per tree removed from Jasper's land received from Molly. $1,500 per month received from William for exclusive access to Jasper's land. $20 per tree removed from Jasper's land received from Harry