The following data are pulled from a recent Walsh Manufacturing annual report.

Assets

• Raw material inventory $120,000
• Work-in-process inventory $50,000
• Finished goods inventory $300,000
• Property, plant, and equipment $500,000
• Other assets $200,000
• Total assets $1,170,000

Condensed Income Statement

• Revenue $2,000,000
• Cost of goods sold $600,000
• Other expenses $1,000,000
• Net income $400,000

Calculate:

(a) Percent invested in inventory,

(b) Inventory turnover, and

(c) Weeks of supply.