The balance sheet and income statement shown below are for Koski Inc. Note that the firm has no amortization charges, it does not lease any assets, none of its debt must be retired during the next 5 years, and the notes payable will be rolled over. Balance Sheet (Millions of $) 2021 Assets Cash and securities $ 4,200 Accounts receivable 17,500 Inventories 20,300 Total current assets $ 42,000 Net plant and equipment 28,000 Total assets $ 70,000 Liabilities and Equity Accounts payable $ 27,531 Accruals 12,369 Notes payable 5,000 Total current liabilities $ 44,900 Long-term bonds 9,000 Total liabilities $ 53,900 Common stock 3,864 Retained earnings 12,236 Total common equity $ 16,100 Total liabilities and equity $ 70,000 Income Statement (Millions of $) 2021 Net sales $112,000 Operating costs except depreciation 104,160 Depreciation 2,240 Earnings before interest and taxes (EBIT) $ 5,600 Less interest 840 Earnings before taxes (EBT) $ 4,760 Taxes (25%) 1,190 Net income $ 3,570 Other data: Shares outstanding (millions) 500.00 Common dividends (millions of $) $1,249.50 Int. rate on notes payable & L-T bonds 6% Federal plus state income tax rate 25% Year-end stock price $85.68 What is the firm's days sales outstanding? Assume a 365-day year for this calculation. Do not round your intermediate calculations. a. 57.03 days b. 70.72 days c. 89.72 days d. 136.88 days e. 40.31 days Please show calculations and explain as well

The balance sheet and income statement shown below are for Koski Inc. Note that the firm has no amortization charges, it does not lease any assets,
none of its debt must be retired during the next 5 years, and the notes payable will be rolled over.
Balance Sheet (Millions of $) 2021
Assets
Cash and securities $ 4,200
Accounts receivable 17,500
Inventories 20,300
Total current assets $ 42,000
Net plant and equipment 28,000
Total assets $ 70,000

Liabilities and Equity
Accounts payable $ 27,531
Accruals 12,369
Notes payable 5,000
Total current liabilities $ 44,900
Long-term bonds 9,000
Total liabilities $ 53,900
Common stock 3,864
Retained earnings 12,236
Total common equity $ 16,100
Total liabilities and equity $ 70,000

Income Statement (Millions of $) 2021
Net sales $112,000
Operating costs except depreciation 104,160
Depreciation 2,240
Earnings before interest and taxes (EBIT) $ 5,600
Less interest 840
Earnings before taxes (EBT) $ 4,760
Taxes (25%) 1,190
Net income $ 3,570

Other data:
Shares outstanding (millions) 500.00
Common dividends (millions of $) $1,249.50
Int. rate on notes payable & L-T bonds 6%
Federal plus state income tax rate 25%
Year-end stock price $85.68
What is the firm's days sales outstanding? Assume a 365-day year for this calculation. Do not round your intermediate calculations.

a. 57.03 days
b. 70.72 days
c. 89.72 days
d. 136.88 days
e. 40.31 days

Please show calculations and explain as well