Cost data for the month of March follow. 1. Purchased supplies on account $1,600. 2. Issued supplies $1,080 ( 60% direct and 40% indirect). 3. Assigned labor costs based on time cards for the month which indicated labor costs of $61,600 (80\% direct and 20% indirect). 4. Operating overhead costs incurred for cash totaled $35,200. 5. Operating overhead is applied at a rate of 90% of direct labor cost. 6. Work completed totaled $66,000. (b) Determine the balance of the Service Contracts in Process account