As I can recall a formula to another formula type individually grouped
For example:
Formula sales Formula Facilities
Day 1 2 sales 3 Facilities
Day 2 4 sales 1 Facilities
Day 18 9 sales 1 Facilities
Day 20 11sales 1 Facilities
total sales 26 6 facilities
2) Formula sales group by interval Formula facilities group by interval
rate table rate table
0-25 = 30 0-5 = 10
26-999 = 50 6 - 9 = 20
so 26 * 50 = 1300 6 * 6 = 36
3) how could group these two formulas
Formula sales + formula facilities
1300 + 36 = 1336