Given the timings provided and an unlimited budget to crash activities, what is the Avo spouts minimum length of the new marketing campaign?

At M3 Marketing a new marketing campaign development project for a client begins with two activities ideation and budgeting/contracting. Ideation, or coming up with ideas for the campaign, occurs in parallel with (i.e., at the same time as,) the budgeting/contracting work which determines the costs and terms of the relationship. These activities take four and three weeks, respectively. Once ideation is complete, advertising content drafting begins and lasts two weeks. When the budget is set and the ad drafting is complete, the activity to determine the advertising channels can begin. Determining the ad channels takes three weeks. When ad drafting is complete and the advertising channels are determined, two activities can start. First, final campaign collateral can be developed over the next six weeks. The second activity is rollout planning, which requires four weeks. After collateral development and rollout planning are finished, the advertising campaign rollout is executed over the next three weeks. After the campaign rollout, the new ad campaign is complete and can be handed over to advertising operations group. Durations and costs and completely crashed durations and costs for all activities are provided in the table below. Normal Activity ID Duration Normal Cost Crash Duration Crash Cost Ideation A 4 $2,000 2 $2,900 Budgeting/Contracting B 3 $1,500 2 $2,200 Ad Drafting C 2 $3,000 2 $3,000 Channel Determination D 3 $1,000 1 $1,400 Collateral Develop E 6 $3,000 4 $3,500 Rollout Planning F 4 $1,500 3 $1,900 Campaign Rollout G 3 $1,200 2 $1,800 weeks weeks Given the timings provided and an unlimited budget to crash activities, what is the absolute minimum length of the new marketing campaign project?