Management Accounting and Business 5% Graded Group Assessment week 9 RMIT. Student 1 Student 2 Student 3 Stuc ID Number Tutor's Name Day + Time of your tutorial class Your name QUESTION-1 S+5+ 10-20 marks) Why do firms calculate their weighted average cost of capital? (5 marks) a. b. How does a firm's tax rate affect its cost of capital? (5 marks) What is the effect of the flotation costs associated with a new security issue on a firm's weighted average cost of capital? (10 marks) c