please help solve. thanks

Question 1 2.5 pts Budgeted input price was $10 per pound. You budgeted to use 2 pounds of materials per unit. Budgeted production and sales volume was 5,000 units. Actual production and sales volume was 5,500 units, and you used a total of 10,945 pounds of materials. Actual input price was $11 per pound. The input price and input efficiency variances are: not enough information - need to know the flexible budget O input price = F; input efficiency = F O input price -U; input efficiency - U O input price = F; input efficiency = U O input price - U; input efficiency = F