[Solved] The process of marking a futures contract to market means that: A) the profitability of the contract is locked in from the onset of the contract. B) the amount of commodity to be delivered changes as prices change. C) contracts are closed out as soon as they become unprofitable. D)profits or losses are posted to the contract daily. Proper Objective: An aim or goal that is suitable and appropriately targeted for a specific task or endeavor. Optical Microscopes: Instruments that use visible light and a system of lenses to magnify small objects, allowing for the observation of details not visible to the naked eye. Physicians' Office Laboratories: Labs located within a physician's office where various tests are performed on clinical specimens to obtain information about the health of a patient. Objectives: The set of magnifying lenses contained in the nosepiece of a compound microscope.