Sexton Corporation has projected the following sales for the coming year:

Q$1$ Q$2$ Q$3$ Q$4$

Sales $ $480$ $ $570$ $ $720$ $ $660$

Sales in the year following this one are projected to be $10$ percent greater in each quarter.

Calculate payments to suppliers assuming that the company places orders during each quarter equal to $25$ percent of projected sales for the next quarter. Assume that the company pays immediately.

a$.$ What are the payments to suppliers each quarter?

b$.$ Calculate payments to suppliers assuming that the company places orders during each quarter equal to $25$ percent of projected sales for the next quarter. Assume a $90-$day payables period.

c$.$ Calculate payments to suppliers assuming that the company places orders during each quarter equal to $25$ percent of projected sales for the next quarter. Assume a $60-$day payables period.