Consider the all-units quantity discount schedule below. Quantity Ordered Price Per UnitEOQ at that Price 1-499 $300 952 500-999 $280 986 1000-1499 $260 1023 1500-1999 $230 1087 2000 and over $200 1166 Which of the following sets of order quantities is guaranteed to contain the optimal solution (i.e., best order quantity)? 1) {1, 500, 1000, 1500, 2000} 2) {952,986, 1023,1087, 1166} 3) {986, 1000, 1500, 2000} 4) {1023, 1500, 2000} 05) {986, 1023, 1500}