The power in nature that one perceives is due both to nature and to one’s own intelligence.
Explanation:
In the last paragraph but one, the author says, "The greatest delight which the fields and woods minister, is the suggestion of an occult relation between man and the vegetable." And the final paragraph starts with this statement, "Yet it is certain that the power to produce this delight, does not reside in nature, but in man, or <u>in a harmony of both</u>."
The answer is Secured credit card. It is used to pay the needed materials but she needs to pay it every month. This has interests so she needs to consider her debts and the profit she can get from her business.