Bahni had expected to spend $100 on clothing and $300 on groceries during the month of May. She actually spent $150 on clothing and $275 on groceries. Her forecasting error for clothing was; her forecasting error for groceries was       

1). +$50, −$25 

2). +$50, +$25 

3). −$50, −$25

4). −$50, +$25