[填空题]
For 2019, the income t v .xl *kiygqfq2j*ke ;,b49ofa y.;2jnfq)b+,rrwvq w x rates for a resident in UK are shown on the graph belowqvq+bw2),; jf rnr yw..
1.Write down the highest amount of income that is free of tax.
2.Calculate the amount of tax payable on the first $£50000$ of income. Tax payable =
3.Theresa earns $£148500$ in 2019. Find the amount of her income tax payable. Tax payable =