The linear trend y=120+2 was estimated using a time series with 20 time periods. The forecasted value for time period 21 is a. 120 b. 122 c. 160 d. 162

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

the correct option is b

step-by-step explanation: