Net income: 33.5 Interest expense: 8.6 number of bond 14 ,price 18 Depreciation and amortization: 18.2 Marginal tax rate: 0.4 Cash and marketable securities: 9.9 Investments: 6.2 ps value:35 Price per common share on the Palestinian Stock Exchange: 14.2 Total number of shares issued: 25 Total number of shares in treasury stock: 1.3 what is the tax expense? what is EBITDA? what is the enterprise value? what is the EV/EBITDA