a) Depreciation of equipment for year $5,000
b) Accrued salaries at year-end $1,600
c) Principal amount borrowed 9/1/2012 $15,000
Annual interest rate of loan 10%
d) Unused supplies at year-end $600
e) Paid 1 year's rent on new studio on 4/1/2012 $6,000
Monthly rent amount $500
f) December utilities unpaid at year-end $100