plz ans 28,29,30 all its short question

Question 29 Not yet answered Marked out of 100 Flag Question Chennai LLC is a manufacturer of perfume products from the following information find the operating leverage and combined leverage of the company: Particulars Amount in OMR Sales 500.000 Variable cost 300.000 Fixed cost- interest Fixed cost-operating 30.000 60.000 117 times and 1.54 times 1.42 times and 1.27 times 1.27 times and 1.42 times 1.54 times and 117 times Queron 28 Not yet The relationship between the values of the two currencies is known as: answered Marked out of 1.00 Flag question the conversion rate the foreign exchange rate the currency rate the forward rate Question 30 Not yet answered Which of the following is a benefit of debt to the firm? Marked out of 1.00 Flag Question interest and principal obligations are fixed by contract interest payments are tax deductible interest payment is optional for the firm interest payments can be made at the discretion of the company