Evaluate the Sum $$\sum _ { \mathrm { k } = 1 } ^ { 4 } ( - 1 ) ^ { \mathrm { k } } ( \mathrm { k } + 4 )$$

question 57

Multiple Choice

Evaluate the sum. Round to two decimal places, if necessary.
- $$\sum _ { \mathrm { k } = 1 } ^ { 4 } ( - 1 ) ^ { \mathrm { k } } ( \mathrm { k } + 4 )$$

• A) -26
• B) 2
• C) 26
• D) 18

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Definitions:

Contract Rate

The agreed upon rate in a financial contract, such as the interest rate on a loan or bond.

Sold at Discount

Refers to items sold below their usual selling price, often to clear inventory or promote sales.

Straight-line Method

The straight-line method is a depreciation technique that allocates an equal amount of depreciation expense on a tangible asset over its useful life.

Amortization

The process of spreading out the cost of an intangible asset over its useful life.