The Adobe Company supplies bulletin board services to numerous hotel chains

nationwide. The owner of the firm is investigating the benefit of employing a billing

firm to do her billing and collections. Because the billing firm specializes in these

services, collection float will be reduced by $20$ days. Average daily collections are

$$1,250,$ and the owner can earn $7\%$ annually $($expressed as an APR with monthly

compounding$)$ on her investments. If the billing firm charges $$300$ per month, should

the owner employ the billing firm?