need help

The men's a capella group and women's a capella group at the local university use the same rehearsal space. They get a better deal on the space by renting rehearsal time in consecutive 2-hour blocks, for a total cost of $205 for 4 hours. The women's group has a longer tenure at the university and previously paid $116 for its 2 -hour session. Using the incremental method and considering the women's group as the first-ranked user, how much of the total cost would be allocated to each group