At 31 March 2015, the deferred consideration of $12,650 would need to be discounted by 10% for one year to $11,500 (effectively deferring a finance cost of $1,150). The total amount credited to profit or loss would be $24,150 (12,650 + 11,500).
Statement (ii) is wrong as it reflects the common misconception that the shadow price is the maximum price which should be paid, rather than the maximum extra over the current purchase price.
Statement (iii) is wrong but could be thought to be correct if (ii) was wrongly assumed to be correct.
interest?