Suppose a person of 30 years earned a salary of R500 000 and received interest of R31 800 on investments during a tax year. Assume that the following tax conditions were valid for the tax year for persons younger than 65 years: Taxable income 0-189 880 189 881 296 540 - - 296 541 410 460 410 461 555 600 555 601 708 310 - 708 311 -1 500 000 1 500 001- Tax rebates Primary rebate on tax Tax relief on investments Maximum amount deductible from taxable income Tax rate 18% of taxable income 34178+26% of amount above 189 880 61910+31% of amount above 296 540 97225 +36% of amount above 410 460 149475 +39% of amount above 555 600 209032 +41% of amount above 708 310 533625+ 45% of amount above 1 500 000 R13 635 R23 800 (a) Determine the taxable income a of the person for the given tax year to the nearest rand. [3]