Influence on production costs, promotion, general administration, and sales volume against net profit on industrial sector companies listed on IDX / Windy Salsa Febrianti, Farida Lubis and Heny Kuarnianingsih

The results showed that production costs have a positive influence on the company's net profit, the calculated t value is greater than the table t, that is, 3. 054 > t-table 1. 99444 with probability Sig. 0.003 < 0.05, promotional costs have a negative influence on the company's net profit because the results of the research test give a t value that is smaller than t table which is 1. 374 < t Table 1. 99444 with probability Sig.0. 174 > 0.05, General Expenses & Administration has a negative influence on the company's net profit the calculated t value is smaller than t table yaitu 0. 505 < t Table 1. 99444 with probability Sig.0. 615>0.05 and sales volume have a positive influence on the company's net profit because the results of the research test produce a calculated t value greater than the table t, which is 6. 944 > t table 1. 99444 with probability Sig.0. 000<0.05.