1. 1IMPACT Center, School of Economic Sciences, Washington State University, Hulbert Hall 101, P.O. Box 646210, Pullman, WA 99164
2. 2School of Economic Sciences, Puyallup Research and Extension Center, and Center for Precision and Agricultural Automated Systems, and IMPACT Center, 2606 E. Pioneer Avenue, Puyallup, WA 98371
3. 3Center for Sustaining Agriculture and Natural Resources, Tree Fruit Research and Extension Center, Washington State University, 1100 N. Western Avenue, Wenatchee, WA 98801
4. 4Washington Tree Fruit Research Commission, 1719 Springwater Avenue, Wenatchee, WA 98801