Entertainment Time is a distributor of DVDs$.$ Video Mart is a local retail outlet that sells blank and recorded DVDs$.$ Video Mart purchases DVDs from Entertainment Time at$$ $$5\mathrm{.}00$ each, and the units are shipped in packages of $25.$ Movie Time pays all incoming$$ freight, and Video Mart does not inspect the DVDs due to Movie$$ Time's reputation for high quality. Annual demand is DVDs at a rate of units per week. Video Mart earns$15\%$ on its cash investments. The purchase order lead time is one week. The following cost data are available.

Relevant ordering costs per purchase order

$$$$94\mathrm{.}50$

Carrying costs per package per$$ year:

Relevant$$ insurance, materials$$ handling, breakage,$$ etc., per year

$$$$3\mathrm{.}50$

How many deliveries will be made during each time$$ period? Round to the nearest whole number.