Olive inc., a chain of retail outlets, is converting its existing billing systems to a more robust online tool. in this process, the organization runs both the old and the new systems to compare their performances. in this case, the company is implementing the new system using installation.

parallel

Explanation:

Based on the information provided within the question it can be said that the company is implementing the new system using parallel installation. This type of strategy implements the new system alongside the old system, where they both operate at the same time and the new one slowly overtakes the old system. Which is exactly what Olive Inc. is doing by letting both the old and new systems run while converting the organization to the new system.

yeah its a ok ! just ask the qestoin and someone well answer !