The November 30,2021 , unadjusted trial balance of Mobility Solutions is found in the Trial balance tab. Mobility Solutions had the following transactions and events in December 2021. December 2 paid $1,369 cash to Westview Mall for Mobility Solutions share of mall advertising costs. December 3 Paid \$720 cash for minor repairs to the company's computer. December 4 Received $6,803 cash from Masters Engineering Co. for the receivable from November. December 10 Paid cash to Isabella walsh for six days of work at the rate of $140 per day. December 14 Notified by Masters Engineering Co. that Mobility Solutions bid of $8,100 on a proposed project has been accepted. Masters paid a $2,650 cash advance to Mobility Solutions. December 15 Purchased $2,200 of computer supplies on credit from Marshall office Products. December 16 Sent a reminder to Brady Co. to pay the fee for services recorded on November 8 . December 26 Completed a project for Jones Corporation and received $7,86 cash. December 22-26 Took the week off for the holidays. December 28 Received $4,203 cash from Brady Co. on its receivable. December 29 Reimbursed R. Walsh for business automobile mileage (700 miles at $0.32 per mile). December 31 Paid $2,66cash for dividends. The following additional facts are collected for use in making adjusting entries prior to preparing financial statements for the company's first three months: a. The December 31 inventory count of computer supplies shows $1,460 still available. b. Three months have expired since the 12 -month insurance premium was paid in advance. c. As of December 31 , Isabella Walsh has not been paid for four days of work at $140 per day. d. The computer system, acquired on October 1 , is expected to have a four-year life with no salvage value. e. The office equipment, acquired on October 1 , is expected to have a five-year life with no saivage value. 1. Three of the four months' prepaid rent has expired