When compiling a budget for a new bungalow build, there are many factors to consider. Primary construction costs include items such as materials, appliances, HVAC and plumbing and are usually the largest part of the budget, up to 50 percent in most builds.
Statistical process control (SPC) is a method of quality control which uses statistical methods. SPC is applied in order to monitor and control a process. Monitoring and controlling the process ensures that it operates at its full potential.
1 Quality control (QC) is a process by which products are tested to uncover defects and the results are reported to management, which makes the decision to allow or deny product release.  Quality control and quality assurance work together to make sure that a company's products have the lowest possible error rate.