Answer:
Residual or salvage value isn't needed in the calculation of deprecation expense using the double declining method.
Explanation:
Deprecation expense using the double declining method = [2 ×(1/useful life)] × cost of the asset
I hope my answer helps you

Option A is the correct answer
Okay. So Joan receives 25% commission on the profits of the cars she sells. She got $8,870 on the profit last month. To find the commission, let’s multiply the amount of profit by the percentage. 8,870 * 0.25 is 2,217.5. There. Joan earned $2,217.50 in commission last month.
Answer:
The advantages of using secondary data are several, but its main advantage is that it is the cheapest way to gather large sets of information. A lot of secondary data is available on the internet, so it is time saving. Using secondary data saves work, efforts and money.
We can also use secondary data to determine more specifically which primary data we need to gather, again saving resources.
Capital structure increases the ability of the company to find new wealth- creating investment opportunities.