Hello, can you help me to understand the following exercise?

71.Thompson's Jet Skis has operating cash flow of $218. Depreciation is $45 and interest paid is $35. A net total of $69 was paid on long-term debt. The firm spent $180 on fixed assets and increased net working capital by $38. What is the amount of the cash flow to stockholders?

a.-$104

b.-$28

c.$28

d.$114

e.$142