SBG Bank Limited has decided to purchase a banking and finance application for their needs. You have been consulted as fresh graduate and employee of the bank. Management is contemplating buying the software based on the type such as off-the-shelf and proprietary software. a. Explain to management the variants of banking software available (listed below). In each case explain to management what the terminology implies, advantages and disadvantages justifying your choice and an example to support your view. i. Proprietary Software ii. In-house software iii. Contractual software iv. Off-the-shelf software v. Public domain software