Gg Enterprise is a small local business producing chocolate sold in jars. The following table shows the production cost budget for the month of July 2021:

Production quantity 3,600 jars 5,400 jars

Selling costs RM6,000 RM8,700

During the month of July 2021, Gg Enterprise manufactured 5,000 jars of chocolate and the actual selling costs incurred was RM6,780.

Determine the flexible budget variance for the selling costs.

A. RM1,320 (F)

B. RM720 (F)

C. RM1,320 (A)

D. RM720 (A)