During January, its first month of operations, Culver Company accumulated the following manufacturing costs: raw materials purchased $4,100 on account, factory labor $8,000, and utilities payable $2,200. In January, requisitions of raw materials for production are as follows: Job 1$990, Job 2$1,300, Job 3$770, and general factory use $700. Record raw materials used. (Enter negative amounts using either a negative sign preceding the number eg. -45 or parentheses eg. (45))