The following income accrued to Ms Julia Thomson, a citizen of Botswana, for the year ended 30 June 2015: Rental income receivable from three rental properties P486400 interest income from Botswana banks 83188 Dividends from Botswana companies 37824. the following costs have been incurred: estates agents collection commission 48 640 interest paid to her resident brother on money borrowed to purchase shares 12 671 repairs to rental properties 131 446 stockbrokers commission on purchase of shares 8293 new furniture for one of the properties 75 200 property rates 27 628 legal costs to draft a lease agreement 14 800 insurance on properties 23 212 office rent 38 648 additional information: 1. rent of P18 500 was not paid by one of the tenants and there is no possibility of recovery as the tenant has left the country. 2. at the beginning of the year, the cost of furniture used in rental properties was P158 750. 3. there was an insurance recovery of P11 500 in respect of flood damage to one of the properties. 4. during the year Ms Julia Thomson received a capitalization issue amounting to P20 000 in respect of certain shares owned by her. a. a building demolished in july 2014 and a new building erected in its place. the property was then sold. the details are as follows: land and buildings-costs September 2009 P 600 000 New building -cost July 1 500 00 sale price- September 2014 P 3000 00 b. the following amounts of withholding tax were deducted from the income Ms julia Thomson received: interest P8 319 dividends P2 837 Rent P24 320 required: in respect of Ms Julia Thomson for the year ended 30 June 2015: 1.calculate the disposal gain on the property sale; (5 marks) 2.calculate her taxable income; indicate any exempt income or non-deductable expenses by the use of zero (0) (16 marks) 3. calculate her net tax payable or refundable. ( 5 marks0 4. what interest and penalities are applicable if a taxpayer does not submit their tax returns and withholding tax returns within the stipulated timeframe? ( 4 marks)