As you asking here I am telling you Cost per Exam of Microsoft SQL server certification program
Cost per Exam
MTA: $115 USD (or equivalent in local currency outside the USA)
MCSA/MCSE: $150 USD (or equivalent) per exam

Microsoft SQL Server Certification Facts & Figures
Certification Name MTA Database
MCSA: SQL Server
MCSE: Data Platform
MCSE: Business Intelligence

Prerequisites/Required Courses
MTA Database: None
MCSA SQL Server: None
MCSE Data Platform and Business Intelligence: MCSA on SQL Server
Training courses available and recommended for all certifications but not required.
Number of Exams MTA: One exam, Database Fundamentals (98-364)

MCSA: SQL Server: Three exams:
Querying Microsoft SQL Server 2012 (70-461)
Administering Microsoft SQL Server 2012 Databases (70-462)
Implementing a Data Warehouse with Microsoft SQL Server 2012 (70-463)

Number of Exams
MCSE: Data Platform: MCSA on SQL Server plus two exams:
Developing Microsoft SQL Server Databases (70-464)
Designing Solutions for Server (70-465)

MCSE Business Intelligence: MCSA on SQL Server plus two exams:
Implementing Data Models and Reports with Microsoft SQL Server (70-466)
Designing Business Intelligence Solutions with Microsoft SQL Server (70-467)