Increasingly, computer$-$based pattern$-$recognition methods are used to evaluate medical images generated resonance imaging $($MRI$).$ Image$-$generation services and image$-$evaluation services are $q,[$complements$,$ substitutes$].$ As the price of computer$-$based image$-$evaluation services declines, the demand for medical$-$image generation services such as MRIs will $q,[$increase$,$ decrease$].$

$[$This is a multiple$-$answer question. Check all and only those answers you believe are correct.$]$

complements

substitutes

increase

decrease