Coffee Platch is an espresso stand in a downtown office building. The average selling price of a cup of coffee is $2\mathrm{.}39$ and the average variable expense per cup is $0\mathrm{.}47.$ Other information are as follows:

i$.$ The average fixed expense per month is $1255.$

ii$.$ The target profit for the month is $2600.$

iii. Sales increases by $15\%$

Determine the following:

a$.$ Cups of coffee would have to be sold to attain the target profit.

b$.$ Sales revenue that must be generated to attain the target profits

c$.$ CM per unit

d$.$ CM ratio

e$.$ BE in units

f$.$ BE in sales

g$.$ MOS in Units

h$.$ MOS ratio

i$.$ MOS

j$.$ OL

h$.$ Increase in profit $\%$