Selected financial data for Wilmington Corporation is presented below.

Wilmington Corporation

Balance Sheet

As of December $31$

Year $7$

Year $6$

Current Assets

Cash and cash equivalents

$ $634,527$

$ $335,597$

Marketable securities

$166,106$

$187,064$

Accounts receivable $($net$)$

$284,226$

$318,010$

Inventories

$466,942$

$430,249$

Prepaid expenses

$60,906$

$28,060$

Other current assets

$83,053$

$85,029$

Total Current Assets

$1,695,760$

$1,384,009$

Property, plant and equipment

$1,384,217$

$625,421$

Long$-$term investment

$568,003$

$425,000$

Total Assets

$$3,647,980$

$$2,434,430$

Current Liabilities

Short$-$term borrowings

$ $306,376$

$ $170,419$

Current portion of long$-$term debt

$155,000$

$168,000$

Accounts payable

$279,522$

$314,883$

Accrued liabilities

$301,024$

$183,681$

Income taxes payable

$107,509$

$196,802$

Total Current Liabilities

$1,149,431$

$1,033,785$

Long$-$term debt

$500,000$

$300,000$

Deferred income taxes

$236,519$

$288,644$

Total Liabilities

$$1,885,950$

$$1,622,429$

Common stock

$ $425,250$

$ $125,000$

Additional paid$-$in capital

$356,450$

$344,335$

Retained earnings

$980,330$

$342,666$

Total Stockholders' Equity

$1,762,030$

$812,001$

Total Liabilities and Stockholders' Equity

$$3,647,980$

$$2,434,430$

Selected Income Statement Data for the year ending December $31,$ Year $7$:

Net sales

$$4,885,340$

Cost of goods sold

$(2,906,526)$

Selling expenses

$(884,685)$

Operating income

$1,094,129$

Interest expense

$(55,240)$

Earnings before income taxes

$1,038,889$

Income tax expense

$(401,225)$

Net income

$ $637,664$

Selected Statement of Cash Flow Data for the year ending December $31,$ Year $7$:

Cash flows from operations

$$1,601,692$

Capital expenditures

$$745,862$

Wilmington Corporation$$s free operating cash flow to total debt ratio in Year $7$ was:

Group of answer choices

$1\mathrm{.}18$

$1\mathrm{.}39$

$0\mathrm{.}89$

$0\mathrm{.}45$