for the $4$ months $($March$,$ April, May, and June$)$:

$\backslash$table$[[$Month$,$Jul,Aug,Sep,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun$],[$Unit Sales,$100,95,94,110,120,118,92,83,102,94,89,110],[$Management$\text{'}$s Forecast,$-,-,-,-,-,-,-,-,125,114,112,110]]$

a$)$ MAD for the forecast developed by the management's technique $=,$ sales $($round your response to two decimal places$).$

MAPE for the forecast developed by the management's technique $=\%($round your response to two decimal places$).$

b$)$ Using the Naive Method, the forecast for period March through June is $($round your response to two decimal places$)$:

$\backslash$table$[[$Month$,$Jul,Aug,Sep,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,$],[$Unit Sales,$100,95,94,110,120,118,92,83,102,94,89,110,],[$Naive Forecast,$-,-,-,-,-,-,-,-,,,,,$