37 16 Investments 2008 2007 a ctual a ctual $ $ Current investments are represented by: Term deposits 200,000 1,150,000 Total investments 200,000 1,150,000 There were no impairment provisions for investments. All deposits are for periods of less than 12 months. Maturity analysis and effective interest rates of term deposits 2008 2007 a ctual a ctual $ $ Term deposits with investment periods of 4-6 months 200,000 550,000 weighted average effective interest rate 8.6% 7.6% Term deposits with investment periods of 6-12 months 0 600,000 weighted average effective interest rate 7.6% The carrying amount of term deposits with maturities less than 12 months approximate their fair value Short-term deposits are invested at fixed rates ranging from 7.5