Aqua company purchase machinery costing Rs.800,000 on 1st January 2015. Depreciation is charged Rs.80,000 per year. Calculate the book value of machine to be reported in the balance sheet at 31 December 2017.

In unadjusted trial balance of Beta company , prepaid salaries are shown as Rs 80,000 while adjustment data prepared on 31 Dec shows prepaid salaries of Rs.10,000.Calculate the amount of salaries expense for the year after adjustment.