A nonrefundable retainer is not permitted under the Model Rules of Professional Responsibility

Nearly all drops in productivity are sudden and dramatic

Indicate whether the statement is true or false

Preventive maintenance of a system involves ________

A) making changes to an information system to repair flaws in the design B) making enhancements to improve processing performance or interface usability C) making changes to a system to reduce the chance of future system failure D) adding desired, but not necessarily required system features E) making changes to an information system to accommodate changing business needs