Prepare a brief report to assist Paulo determine what might have caused the differences between the original budget and the final actual outcomes. Speculations of the causes are sufficient, provided they are supported by relevant calculations taken from the data provided, and the budget produced in Part A,. These calculations should be included in, and referred to, in your report. Restrict your discussion to the changes related to direct materials and direct labour. As Paulo is aware that budget estimates may be inaccurate at the time of budget preparation, do not include this particular cause of difference in your report.