Mrs. Viraj is an individual aged 50 years working with an undertaking of State Government . For the previous year, he earned various income like

i. Dividend Income Rs4500

ii. Rs 50000, as share of income from HUF

iii. Winning from Lotteries Rs80000

iv. Interest on securities Rs35000

v. Income received by letting out a flour grinding machine Rs4000

a. Compute his total taxable income

b. tax liability on the winning from lotteries and the type of income it is, and give reasons for the treatment of items(i,ii,v) as mentioned here