Interest income amounting to BGN 394 thousand (31 March 2015: 106 thousand) are of interest accrued on interest-bearing receivables from subsidiaries. In the first quarter of 2015 are accrued interest income in the amount of BGN 5 thousand from deferred receivables from commercial contracts. 6. Other operating income 31 March 2016 31 March 2015 In BGN thousand Income from sale of assets - 7 Income from sale of services 9 9 9 16 Income from sale of services is related to payments to ensure financial security of the companies within the Profit from sale of two vehicles in the first quarter of 2015 is reported with book value at the date of the sale nil. 7. Personnel expenses 31 March 2016 31 March 2015 In BGN thousand Salaries (127) (126) Social security costs and other social payments (17) (143) (143) 8. Other operating expenses 31 2016 31 March 2015 In BGN thousand Depreciation and amortization (Note 11) (26) (40) Costs of materials (3) (6) Impairment cost of investment (Note 12) - - Other operating expenses (7) (249) (36) (295) The larger amount of other operating expenses in 2015 is a result of cession agreement between Industrial Holding Bulgaria AD and Augusta Mebel under which Industrial Holding transferres receivable from the sale of shares of Augusta Mebel in the amount of BGN 1 150 thousand at a price of BGN 923 thousand. 9. Financial income and expense 31 2016 31 March 2015 In BGN thousand Net gains 11 - 11 Debenture loan interest expenses on debenture loans ISIN BG 2100003156 and ISIN code BG 2100006134 (2015: debenture loan ISIN BG 2100006134) (626) (498) Net foreign exchange losses - (1,309)
Interest income amounting to BGN 394 thousand (31 March 2015: 106 thousand) are of interest accrued on interest-bearing receivables from subsidiaries. In the first quarter of 2015 are accrued interest income in the amount of BGN 5 thousand from deferred receivables from commercial contracts. 6. Other operating income In BGN thousand 31 March 2016 31 March 2015 Income from sale of assets - 7 Income from sale of services 9 9 9 16 Income from sale of services is related to payments to ensure financial security of the companies within the Profit from sale of two vehicles in the first quarter of 2015 is reported with book value at the date of the sale nil. 7. Personnel expenses In BGN thousand 31 March 2016 31 March 2015 Salaries (127) (126) Social security costs and other social payments (17) (143) (143) 8. Other operating expenses In BGN thousand 31 2016 31 March 2015 Depreciation and amortization (Note 11) (26) (40) Costs of materials (3) (6) Impairment cost of investment (Note 12) - - Other operating expenses (7) (249) (36) (295) The larger amount of other operating expenses in 2015 is a result of cession agreement between Industrial Holding Bulgaria AD and Augusta Mebel under which Industrial Holding transferres receivable from the sale of shares of Augusta Mebel in the amount of BGN 1 150 thousand at a price of BGN 923 thousand. 9. Financial income and expense In BGN thousand 31 2016 31 March 2015 Net gains 11 - 11 Debenture loan interest expenses on debenture loans ISIN BG 2100003156 and ISIN code BG 2100006134 (2015: debenture loan ISIN BG 2100006134) (626) (498) Net foreign exchange losses - (1,309)