# 10. Earnings/ (loss) per share - continued

# (b) Diluted earnings/ (loss) per share - continued

Diluted earnings/ (loss) per share attributable to equity holders of the Company are calculated as follows:

<table><tr><td></td><td>2015</td><td>2014</td></tr><tr><td>Net pro t/ (loss) attributable to equity holders of the Company and used to 
 determine diluted earnings per share (S$’000)</td><td>1,299</td><td>(4,968)</td></tr><tr><td>Weighted average number of ordinary shares outstanding for 
   basic earnings/ (loss) per share (‘000)</td><td>781,909</td><td>771,595</td></tr><tr><td>Adjustments for (‘000)</td><td></td><td></td></tr><tr><td>- Share options</td><td>12,278</td><td>13,478</td></tr><tr><td>- Warrants</td><td>1,126,926</td><td>254,331</td></tr><tr><td></td><td>1,921,113</td><td>1,039,404</td></tr><tr><td>Diluted earnings/ (loss) per share (cent per share)</td><td>0.07</td><td>(0.64)*</td></tr></table>

\* As loss was recorded, the dilutive potential shares from share options and warrants are anti-dilutive and no change is made to the diluted loss per share.

# 11. Cash and cash equivalents

<table><tr><td rowspan="3"></td><td colspan="2">Group</td><td colspan="2">Company</td></tr><tr><td>2015</td><td>2014</td><td>2015</td><td>2014</td></tr><tr><td>S$’000</td><td>S$’000</td><td>S$’000</td><td>S$’000</td></tr><tr><td>Cash at bank and on hand</td><td>7,365</td><td>4,185</td><td>548</td><td>286</td></tr><tr><td>Short-term bank deposits</td><td>3,520</td><td>2,363</td><td>-</td><td>-</td></tr><tr><td></td><td>10,885</td><td>6,548</td><td>548</td><td>286</td></tr></table>

For the purpose of presenting the consolidated statement of cash flows, cash and cash equivalents comprise the following:

<table><tr><td rowspan="3"></td><td colspan="2">Group</td></tr><tr><td>2015</td><td>2014</td></tr><tr><td>          S$’000</td><td>S$’000</td></tr><tr><td>Cash and bank balances (as above)</td><td>10,885</td><td>6,548</td></tr><tr><td>Less: Bank overdraft (Note 18)</td><td>(213)</td><td>(991)</td></tr><tr><td>Cash and cash equivalents per consolidated statement of cash flows</td><td>10,672</td><td>5,557</td></tr></table>

# 12. Trade and other receivables

<table><tr><td rowspan="3"></td><td colspan="2">Group</td><td colspan="2">Company</td></tr><tr><td>2015</td><td>2014</td><td>2015</td><td>2014</td></tr><tr><td>S$’000</td><td>S$’000</td><td>S$’000</td><td>S$’000</td></tr><tr><td>Trade receivables</td><td></td><td></td><td></td><td></td></tr><tr><td>- Non-related parties</td><td>6,366</td><td>5,972</td><td>-</td><td>-</td></tr><tr><td>Bills receivables</td><td>9,068</td><td>7,379</td><td>-</td><td>-</td></tr><tr><td>Trade and bills receivables</td><td>15,434</td><td>13,351</td><td>-</td><td>-</td></tr><tr><td>Contract work-in-progress</td><td></td><td></td><td></td><td></td></tr><tr><td>- Due from customers (Note 14)</td><td>492</td><td>660</td><td>-</td><td>-</td></tr><tr><td>Advance payment for project costs</td><td>676</td><td>720</td><td>-</td><td>-</td></tr><tr><td>Unbilled contract revenue</td><td>7,492</td><td>4,992</td><td>-</td><td>-</td></tr><tr><td>Other receivables</td><td></td><td></td><td></td><td></td></tr><tr><td>- Subsidiary corporations</td><td>-</td><td>-</td><td>4,205</td><td>5,088</td></tr><tr><td>- Staff advances</td><td>-</td><td>4</td><td>-</td><td>-</td></tr><tr><td>- Non-related parties</td><td>158</td><td>298</td><td>-</td><td>-</td></tr><tr><td>- Value added tax recoverable</td><td>136</td><td>138</td><td>-</td><td>-</td></tr><tr><td>- Withholding tax receivable</td><td>16</td><td>17</td><td>-</td><td>-</td></tr><tr><td>Less: Allowance for impairment of receivables</td><td></td><td></td><td></td><td></td></tr><tr><td> – non-related parties (Note 26(b)(ii))</td><td>-</td><td>(138)</td><td>-</td><td>-</td></tr><tr><td>Other receivables – net</td><td>310</td><td>319</td><td>4,205</td><td>5,088</td></tr><tr><td>Deposits</td><td>429</td><td>290</td><td>-</td><td>-</td></tr><tr><td>Prepayments</td><td>483</td><td>467</td><td>29</td><td>19</td></tr><tr><td></td><td>25,316</td><td>20,799</td><td>4,234</td><td>5,107</td></tr></table>

The amount due from subsidiary corporations are non-trade in nature, unsecured, interest free and repayable on demand

# 13. Inventories

<table><tr><td rowspan="3"></td><td colspan="2">Group</td></tr><tr><td>2015</td><td>2014</td></tr><tr><td>          S$’000</td><td>S$’000</td></tr><tr><td>Voice, video and data communication equipment</td><td>395</td><td>432</td></tr></table>

The cost of inventories recognised as an expense and included as part of “Cost of sales – equipment and consumables used” amounts to S\$40,095,000 (2014: S\$32,592,000).

The Group has recognised a write-down of its slow-moving inventories amounting to S\$44,000 (2014: S\$42,000) (Note 5).

# 14. Contract work-in-progress

<table><tr><td rowspan="3"></td><td colspan="2">Group</td></tr><tr><td>2015</td><td>2014</td></tr><tr><td>          S$’000</td><td>S$’000</td></tr><tr><td>Contract work-in-progress</td><td></td><td></td></tr><tr><td>Aggregate costs incurred and pro ts recognised (less losses recognised) 
 to date on uncompleted contracts</td><td>492</td><td>660</td></tr><tr><td>Less: Progress billings</td><td>(45)</td><td>(77)</td></tr><tr><td></td><td>447</td><td>583</td></tr><tr><td>Presented as:</td><td></td><td></td></tr><tr><td>Due from customers on contract work-in-progress (Note 12)</td><td>492</td><td>660</td></tr><tr><td>Due to customers on contract work-in-progress (Note 17)</td><td>(45)</td><td>(77)</td></tr><tr><td></td><td>447</td><td>583</td></tr></table>