What is the company's weighted average cost of capital using its current capital strucutre? The current yield on the long-term debt is 7.5%.

20X2 $20X1 $

Revenue 10,458,240 9,734,502

Cost of goods sold 9,075,0008,473,800

Gross profit 1,383, 2401,260,702

Expenses

Selling and marketing103,50092,400

Research and development370,020365,100

General and administrative 458,200423,900

Other operating costs 15,90014,200

947,620895,600

Operating income435,620365,102

Interest expense - line of credit (8,650)(7,150)

Interest expense- long-term debt(149,270)(149,720)

Earnings before taxes277,700208,682

Income taxes(69,425)(52,171)

Net income208, 275156,511