plz answer correctly and asap

Olympla Productions incorporated makes award medallions that are attached to ribbons. Each medalion requires 18 inches of ribbon The sales forecast for Mareh is 2,100 medaltions. Estimated beginning inventories and desired ending imventories for March are as follows: (Assume 18 inches 0.5 yards) Required: a. Colculate the number of medallions to be produced in Mareh. b. Calculate the number of yards of ribbon to be purchased in March