For each of the following scenarios identify which data processing method (batch or online, real-time) would be the most appropriate.
a. Make an airline reservation
b. Register for a university course
c. Prepare biweekly payroll checks
d. Process an order through an e-commerce website
e. Prepare a daily bank deposit
f. Preparation of customer bills by a local utility
g. Accumulate daily costs from a production run of a single automobile part
h. Identify the replacement drill bit size for a bit broken during a recent production run