Question Set $1.$ A manager has tracked days worked and Donuts sold as given below.

Days Worked

Seasons Winter Spring Summer Autumn Winter

Cashier Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Larry $48422915262225$

Bent $4125353325$

George $32251731313130$

Tanya $37243624$

Jasmine $36443032$

Claire $38222836$

Donuts Sold

Seasons Winter Spring Summer Autumn Winter

Cashier Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Larry $62824457233365172284$

Bent $660375388575166$

George $4762274864751482286$

Tanya $612512169274$

Jasmine $445496276308$

Claire $64046455262$

$1.$ For each cashier, compute his or her overall productivity $($in Donuts sold per day$)$ for Summer and Autumn. You should have one number per cashier. $(3$pts$)$

$2.$ For each cashier, compute his or her productivity $($in Donuts sold per day$)$ for Spring. Using the MAX function, find the highest productive cashier for the Spring among the cashiers. $(3$pts$)$

$3.$ Compute the overall productivity for each cashier $($in Donuts sold per day$)$ for the entire year. Use the MIN function to find the lowest productive cashier for the year among the cashiers. $(3$ pts$)$

$4.$ Which month has the lowest overall productivity? $(2$ pts$)$