Office Solutions sells fax machines, copiers, and other types of office equipment. On May 10, the company purchased for the first time a new plain-paper fax machine manufactured by Mitsui Corporation. Transactions relating to this product during May and June were as follows: May 10Purchased five P-500 fax machines on account from Mitsui Corporation, at May 23 Sold four P-500 fax machines on account to Foster & Cole, stockbrokers May 24 Purchased an additional seven P-500 fax machines on account from June 9 Paid $1,500 cash to Mitsui Corporation for the fax machines purchased on June 19 Sold two P-500 fax machines to Tri-State Realty for cash. Sales price, June 22 Collected $2,000 from Foster & Cole in full settlement of the credit sale on a cost of S300. Payment due in 30 days. sales price, $500 per machine. Payment due in 30 days Mitsui. Cost $300 per machine, payment due in 30 days. May 10 $525 per machine May 23. Instructions a. Prepare journal entries to record these transactions in the accounting records of Office Solutions. (The company uses a perpetual inventory system.) b. Post the appropriate information from these journal entries to an inventory subsidiary ledger account (like the one illustrated on page 341) c. Prepare a partial Income Statement for the end of May, for the end of June. d. How many Mitsui P-500 fax machines were in inventory on May 31? From what accounting record did you obtain the answer to this