BE3.12Kelly SpA had cash receipts from customers in 2022 of 192,000. Cash payments for operating expenses were 97,000. Cash paid for Inventory was 115,000. Kelly has determined the following information:

January 1,December 31

Accounts receivable was13,000,18,600

Prepaid expenses were17,500. 23,200

Inventory180,000. 87,200

Acc Payable 128,500. 66,400

Compute (a) service revenue and (b) operating expenses and (c). COGS- cost of goods sold.