You are the project manager responsible for developing a new hybrid engine for a major auto manufacturer.

Variance analysis, in budgeting (or management accounting in general), is a tool of budgetary control by evaluation of performance by means of variances between budgeted amount, planned amount or standard amount and the actual amount incurred/sold. Variance analysis can be carried out for both costs and revenues.

Option-B  Variance analysis is the answer

Thanks for the invitation.

Obiviously answer is B - Variance Analysis.

Variance Analysis is the technique used for Controlling the Scope.