[Solved] An individual wheat farmer produces wheat in a perfectly competitive market. A decrease in the market demand for wheat will cause the farmer's marginal revenue to ________ and his profit-maximizing level of output to ________. A) increase; increase B) increase; decrease C) decrease; increase D) decrease; decrease Patient Care: The services and interventions provided by health care professionals to patients to improve or maintain their health status. Laboratory Workers: Professionals who perform or assist in conducting experiments and analyses in a lab setting, often related to chemistry, biology, or medicine. Analytic Laboratory: A facility equipped for performing scientific experiments and analyses, often involving chemical or biological substances. Optical Microscope: A laboratory instrument used to magnify objects that are too small to be seen with the naked eye by using lenses and light.