1. An image processing component of an MRI scan system configured to perform a method of economizing a Magnetic Resonance Imaging (MRI) protocol using an MRI apparatus, the method comprising the steps of: collecting a plurality of prior MRI image scan data sets for a subject; obtaining a current MRI image scan data set for the subject; and reconstructing the current MRI image scan data set using an aggregate of the plurality of prior MRI image data sets.