aPlease answer ASAP

The manager at Mounds of Mulch has been trying to calculate the portion of the company's overhead esperisos that is fixed and the portion that is variable Over the past twelve months, the number of yards of much processed was highest in July, when the total monthly overhead costs totaled $28.000 for 30.000 yards of much processed. The lowest number of yards of mulich processed in the last twelve months occurred in October, when total overhead costs were 524 000 for 28,000 yards of much processed. What was the variable cost per yard? nt O A $0.78 OB $2.00 C. $0.86 D. $0.50