中国大学MOOC: A sum of money was invested for 10 years at 7% per annum and is now worth $2,000. What was the original amount invested (to the nearest $)?

A sum of money was invested for 10 years at 7% per annum and is now worth $2,000. What was the original amount invested (to the nearest $)? A: $1,026 B: $1,016 C: $3,937 D: $14,048

If you want to save up $60,000 in your account at the end of 3 years, and the compound interest rate is 6% per annum, how much should you deposit today? A: 10,000 / (1+0.06)3 B: 60,000 x (1+0.06)3 C: 60,000 / (1+0.06)3 D: 10,000 / (1+0.06)2

If you need to save up $8,000 in your account by the end of 9 months, and interest is 3% per annum simple interest, how much should you deposit today? A: 8,000/[1+0.03x(9/12)] B: 10,000/[1+0.03x(9/12)] C: 8,000/[0.03x(9/12)] D: 8,000/[0.03x(9/12)]

An accountant is paid $30,000 per annum and spends two weeks one month working on appraising project Alpha.Why should the accountant NOT charge half of his month’s salary to the project? A: Because his salary cannot be apportioned B: Because his salary is not incremental C: Because his salary is not a cash flow D: Because his salary is an opportunity cost

A company purchases a machine with an expected useful life of 6 years for $9,000. After two years of use, management revised the expected useful life to 8 years. The machine is to be depreciated at 30% per annum on the reducing balance basis. A full year's depreciation is charged in the year of purchase, with none in the year of sale. During year 4, it is sold for $3,000. What is the profit or loss on disposal?? $1,000 profit|$840 profit|$87 loss|$1,410 profit