Net income: 33 Interest expense: 8 number of bond 10 price 20 Depreciation and amortization: 19.5 Marginal tax rate: 0.3 Cash and marketable securities: 9.9 Investments: 6.9 . ps value:50 Price per common share on the Palestinian Stock Exchange: 14 Total number of shares issued: 15 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