Several wells were being drilled on leases in close proximity to an undeveloped lease owned by Tyler oil and Gas Company. In order to obtain G&G information from the wells, Tyler Company entered into the following agreements with the other companies that own the working interests on the various leases: Well 1: Dry-hole contribution of $30,000 Well 2: Dry-hole contribution of $50,000 Well 3: Bottom-hole contribution of $20,000 to be paid if and when the well reaches a minimum depth of 5000 feet. Well 4: Bottom- hole contribution of $40,000 to be paid if and when the well reaches a minimum depth of 8,000 feet. The following results were obtained: Well 1------- Dry Well 2------- Completed as a producer Well 3------- Drilled to agreed depth and determined to be dry. Well 4------- Abandoned after drilling to 4,500 feet. Give entries.