I need to compute a flexible spending budget with variances however I do not understand what formula to use. Can you assist?

Trident University International ACC501 CTOURSE MATERIALS/BIBLIOGRAPHYTRTR Module 1 Edspira. (2014, February 11). Introduction to managerial accounting [Video file]. Retrieved from https://youtu.be/KCyg8zM9bA. Brian Routh TheAccountingDr. (2010, November 25). Cost behavior: Variable costs versus fixed costs - accounting video [Video file]. Retrieved from https://youtu.be/TLYwPogWdEU. Investopedia. (2014, March 20). Investopedia video: Contribution margin [Video file]. Retrieved from https://youtu.be/pm6Eo9qiUIY. Chauvin, C. L. (2014, June 14). Segmented income statements [Video file]. Retrieved from https://youtu.be/q39AzZhpoNQ. Walther, L. (2017). Chapter 17: Introduction to Managerial Accounting. Institute of Management Accountants. (2014, February 18). 7 Trends in Management Accounting Introduction [Video file]. Retrieved from https://youtu.be/gRyW2_Ay2Cw. Institute of Management Accountants. (2014, March 6). 7 Trends in Management Accounting - Trend 1 [Video file]. Retrieved from https://youtu.be/lCj4-gvH1WQ. Module 2 Ingram, K. (2012, October 23). Contribution margin income statement [Video file]. Retrieved from https://youtu.be/fyAEVKCSjcI. Trident University International ACC501 Notepirate. (2014, April 28). Cost volume profit analysis and break even points (managerial accounting turorial #11) [Video file]. Retrieved from https://youtu.be/94lrvPlG9P4. cupadllc. (2010, December 9). Breakeven analysis - starting a coffee shop - CupAd free coffee cups[Video file]. Retrieved from https://youtu.be/i7uhmGVsbUg. Edspira. (2013, July 9). Cost volume profit analysis (CVP): Target profit [Video file]. Retrieved from https://youtu.be/4U60Ya5ysMU. Walther, L. (2017). Chapter 18: Cost-Volume-Profit and Business Scalability. Institute of Management Accountants. (2014, March 13). 7 Trends in Management Accounting - Trend 2 [Video file]. Retrieved from https://youtu.be/qcbpjkRgW9I. Institute of Management Accountants. (2014, March 20). 7 Trends in Management Accounting - Trend 3 [Video file]. Retrieved from https://youtu.be/3cwdelVpNRA. Module 3 Katzman, M. (2014, October 24). Part 1 of responsibility accounting, operational performance measures, and the balanced scorecard [Video file]. Retrieved from https://youtu.be/EsS0socI3I4. Rutgers Accounting Web. (2015, July 27). Types of responsibility centers [Video file]. Retrieved from https://youtu.be/N84VVslVctU. KurtHeisinger. (2016, May 14). Managerial accounting 11.8: Transfer pricing between divisions [Video file]. Retrieved from https://youtu.be/_Qwz_cMAnvg. Walther, L. (2017). Chapter 23: Reporting to Support Managerial Decisions. Trident University International ACC501 Institute of Management Accountants. (2014, March 27). 7 Trends in Management Accounting - Trend 4 [Video file]. Retrieved from https://youtu.be/1vZpk1-8cWE. Institute of Management Accountants. (2014, April 3). 7 Trends in Management Accounting - Trend 5 [Video file]. Retrieved from https://youtu.be/7iQLVxRVwH4. Module 4 Edspira. (2014, December 18). Introduction to budgeting (managerial accounting) [Video file]. Retrieved from https://youtu.be/pCwLhz0ltlE. Notepirate. (2014, August 28). The master budget (managerial accounting tutorial #38) [Video file]. Retrieved from https://youtu.be0iddr99fD4. Edspira. (2014, December 15). The sales budget [Video file]. Retrieved from https://youtu.be/frCX_bsFsao. Edspira. (2014, December 23). Flexible budgeting [Video file]. Retrieved from https://youtu.be/JHVaey2WdPE. Walther, L. (2017). Chapter 21: BudgetingPlanning for Success. Institute of Management Accountants. (2014, April 10). 7 Trends in Management Accounting - Trend 6 [Video file]. Retrieved from https://youtu.be/prHH8zuxrFI. Institute of Management Accountants. (2014, April 17). 7 Trends in Management Accounting - Trend 7 [Video file]. Retrieved from https://youtu.be/W5IaDO_N3B8. T&P Fashions- Houston Store Breakdown of Expenses (Forecast) Forecast Fixed Variable Actual Revenues 1400000 1260000 Cost of Sales 790000 790000 760000 Gross Profit 610000 500000 Management 182000 154700 27300 182000 Shop Assistants 259000 154800 103200 262000 Rent 23200 18560 4640 22000 Utilities 34800 34800 31000 Misc. Expenses 24500 12250 12520 29000 Total Expenses 522500 526000 Net Income 87500 -26,000