Script for Quantities with Intervals

[vignesh_s]

hi everyone,

can any 1 explain the script with example to find the price for number of quantity sold, if quantity have an intervals

for exam, the quantity sold is 5, i have interval like

For Product , 1 to 3 quantities costs 100rs and quantities 4 to 15 costs 110rs

Hence for first 5 quantity sold the total price is 520rs

[vignesh_s]

cont.... of the above

(3*100)+(2*110) = 520)