Onyx Decor Company has prepared a static budget at the beginning of the month. At the end of the month, the following information has been retrieved from their records.

Static Budge

Sales volume 1200 units Price 72.00 per unit

Variable expense: 32 per unit Fixed expenses 37,500 per month

operating income 10,500

Actual results

Sales volume: 970 units Price74.00 per unit

Variable expense: 35.00 per unit Fixed expenses 33,200 per month

operating income 4,630

Calculate the flexible budget variance for Sales Revenue.

Answers: A. 1940 F B. 3,330 F C. 1940U D. 3,330U

Please show how your arrive at the correct answer.