Robex Ltd manufactures a single product. It originally planned to produce and sell 8000 units during the year, but the actual activity level was 11000 units. The budgeted and actual income and costs for the year are as follows: Robex Ltd manufactures a single product. It originally planned to produce and sell 8000 units during the year, but the actual activity level was 11000 units. The budgeted and actual income and costs for the year are as follows