摘要:In this scholarly study, entitled "The Effect of Promotion Cost Of Sales AtPT. DELTA Expanding "in scientific research, the writer wanted to know thepromotions done by.Expanding DELTA. In scientific research, the writer takethe data from the PT. Expanding DELTA which is located at Jl. RayaJatiwaringin No. 41 Bekasi. In this calculation the authors used correlation andmultiple regression methods. The discussion results of the author can draw theconclusion that there is a strong relationship between personal selling costs andcosts of sales brochures with the result that the results approached +1 (positiveone) it is evident from the correlation of r = 0.79 and the distribution ofbrochures are more effective ways in increasing sales rather than personalselling.