Please include calculations and labels, thank you!!

ICG Insurance (ICGI) company reported the following information on its accounting statements last year:

Premiums Written $90,000,000

Loss Adjustment Expenses $5,000,000

Underwriting Expenses $30,000,000

Premiums Earned $100,000,000

Incurred Losses $70,000,000

Briefly explain your answers.

1. What was ICGI's loss ratio last year?
2. What was ICGI's expense ratio last year?
3. What was ICGI's combined ratio last year?
4. ICGI calculated its pure premium to be $280 for a risk they were considering insuring. What is the gross rate for this risk, assuming a 30 percent expense ratio?
5. Based on accounting statement information above, what is the ICGIs gross rate risk for its entire portfolio if its expense ratio for its book of business is 20%?