The method of developing budget estimates that requires managers to estimate sales, production, and other operating data as though operations are being started for the first time is budgeting. a. flexible b. continuous c. zero-based d. master

c

Explanation:

Zero-based budgeting is a method of budgeting in where expenses must be justified for each new period. It requires managers to estimate sales, production, and other operating data as though operations are being started for the first time

The master budget is the sum of all budget made by lower levels in the organisation.

Continuous budgeting is the process of expanding the budget by adding one more month as each month goes by.

A flexible budget is a budget that changes to the activity  levels of a the organisation