Prull prices its jobs at cost plus 30%. During July, variable marketing expenses were 4\% of sales, and fixed marketing expenses were $1,960; administrative expenses were $4,820. (Round all amounts to the nearest dollar.) 1. Prepare job-order cost sheets for all jobs in process during July, showing all costs through July 31 . All amount cells must have an entry; enter zeros as needed. 2. Calculate the balance in Work in Process on July 31 . The balance in Work in Process on July 31 is $ 3. Calculate the balance in Finished Goods on July 31. The balance in Finished Goods on July 31 is $ 4. Calculate Cost of Goods Sold for July. The cost of goods sold for July is $ 5. Calculate operating income for Prull Company for the month of July. The operating income for the month of July is 5 x