Income tax form

DEAR SIR,

                    MR.A TRADING TOTAL  TURNOVER RS. 34.50LAKS FOR THE ASST-YEAR2017-18. NET PROFIT RS 5.20LAKS AND RETURN FILED VIDE FORM NO.3.  ASST-YEAR 2018-  TURNOVER RS.19.25LAKHS AND NET PROFIT RS 0.60 LAKS. 

CURRENT ASST -YEAR 2019-20 TOTAL TURNOVER ESTIMATED  RS. 79.00LAKS. MR.A BOOKS ARE MAINTAINED FORE THE ALL YEAR.

MY. QUERY IS

1)  ASST -YERA 2018-19   FILING METHOD CHOOSE OF FROM NO.3 OR 4?

2) 8.5% NET PFOIT DECLARE WITH  BOOKS?

OK THANKS