IMSDCn =

∑ IARDCa/Da χ Dn

+

 ∑ IALDCa/Da χ Dn

IMSDCn

Initial Monthly Service Dwelling Charge for Contract Month (n)

IARDCa

Initial Annual Rented Dwelling Charge for Contract Year (a)

IALDC a

Initial Annual Leasehold Dwelling Charge for Contract Year (a)

Dn

The number of days in the Contract Month (n).

Da

the number of Days in the Contract Year (a) in which Month (n) occurs

∑

the summation of the Dwellings which meet the Availability Standard (Initial) for Contract Month (n)