Use the spreadsheet below to answer this question.

A B C D E F G

$1$ Supply Demand Revenue Occupancy ADR RevPAR

$2$ January $37203140240515$

$3$ February $35403250214526$

$4$ March $35403120204550$

$5$ March YTD $108009510659591$

The March YTD ADR $($F$5)$ is $\_\_\_\_\_\_\_\_\_.$

a$.659591/9510=$ $ $69\mathrm{.}4$

b$.659591/10800=$ $ $61\mathrm{.}1$

c$.659591/(10800+9510)=$ $ $32\mathrm{.}5$

d$.(9510/10800)$ x $100=$ $$88\mathrm{.}1$