please help

The local hockey complex in San Antonio bas requested bids for ice maintenance for the upcoming 20-week season, and four companies have submitted proposals. The four companies that bid on the job all have different pricing structures. The ice rink in question has a regulation 19,000 -squate-foot surface, and all companies provide their variable cos bricing in terms of dollars per 100 square feet of ice. Variable costs typically increase during the season due to expersive Zamboni maintenance. For which wesk does Howe's cumulative cost exceed Sawsluack'? a. Week 17 b. Week 20 c. Week 19 d. Week 18