Brilliant Architects- Deferrals The transactions for the year 2017 for Brilliant Architects have already been recorded. This problem shows how to prepare adjusting entries for Brilliant Architects for December 2017. Dec. 31 A computer was purchased on January 1, 2015 for $1,600. The useful life of the Dec. 31 On October 1, 20'7, Brilliant Architects had paid $4,800 as rent for a six month computer is 4 years. period. This had been recorded as prepaid rent. The amount of supplies available at the end of December was $200. The amount of supplies at the beginning of the period was $450. $250 of supplies were Dec. 31 purchased during the year. Dec. 31 Furniture costing $3,000 was purchased on Jan 1, 2014. The useful life of the furniture is estimated to be 5 years. Dec. 31 Services were provided to a customer for $450. The cash was collected in advance on November 28, 2017