7. The major cost management concept used in kaizen budgeting is that of a. eliminating inventories of every type but materials. b. refinements in the indirect-cost categories for costing systems. c. continuous improvement. d. sensitivity analysis using computer-based financial planning models.

The correct  option is C, continuous improvement.

Explanation:

Kaizen budgeting which is an offshoot of Kaizen costing approach, is a method of budgeting which seeks to continuously seek improvements to processes in order that cost reductions can be achieved on an ongoing basis within the budgetary system.

A manager is expected to analyse its departmental's processes anytime the opportunity presents itself,hence, bench-marking processes with best-in-class  internally or externally,can be very useful in ensuring continuous improvement is achieved.