Graham Corporation used the following data to evaluate its current operating system. The company sells items for 510 eachrand used a budgeted selling price of 510 per unit: a. Prepare the actual income statement, flexble budget and static budget. Do not use negative signs with any of your answers below: For questoons b, c, and d, do not use negative eigns whth your answers: Select either U for Unfavorable or F for Favorable using the drop down box next to each of your variance an b. What is the static-budget variance of revenues? C. What is the flembie budget variance for variable costs? s d What is the flesoble budger variance for fixed costs